20091484400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5419}}^1$

素因数の和:5504

約数の個数: 240

約数和(自身を含む): 56003082240

約数和(自身を除く): 35911597840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 31, 40, 46, 50, 52, 62, 65, 80, 92, 100, 104, 115, 124, 130, 155, 184, 200, 208, 230, 248, 260, 299, 310, 325, 368, 400, 403, 460, 496, 520, 575, 598, 620, 650, 713, 775, 806, 920, 1040, 1150, 1196, 1240, 1300, 1426, 1495, 1550, 1612, 1840, 2015, 2300, 2392, 2480, 2600, 2852, 2990, 3100, 3224, 3565, 4030, 4600, 4784, 5200, 5419, 5704, 5980, 6200, 6448, 7130, 7475, 8060, 9200, 9269, 10075, 10838, 11408, 11960, 12400, 14260, 14950, 16120, 17825, 18538, 20150, 21676, 23920, 27095, 28520, 29900, 32240, 35650, 37076, 40300, 43352, 46345, 54190, 57040, 59800, 70447, 71300, 74152, 80600, 86704, 92690, 108380, 119600, 124637, 135475, 140894, 142600, 148304, 161200, 167989, 185380, 216760, 231725, 249274, 270950, 281788, 285200, 335978, 352235, 370760, 433520, 463450, 498548, 541900, 563576, 623185, 671956, 704470, 741520, 839945, 926900, 997096, 1083800, 1127152, 1246370, 1343912, 1408940, 1620281, 1679890, 1761175, 1853800, 1994192, 2167600, 2183857, 2492740, 2687824, 2817880, 3115925, 3240562, 3359780, 3522350, 3707600, 3863747, 4199725, 4367714, 4985480, 5635760, 6231850, 6481124, 6719560, 7044700, 7727494, 8101405, 8399450, 8735428, 9970960, 10919285, 12463700, 12962248, 13439120, 14089400, 15454988, 16202810, 16798900, 17470856, 19318735, 21838570, 24927400, 25924496, 28178800, 30909976, 32405620, 33597800, 34941712, 38637470, 40507025, 43677140, 49854800, 50228711, 54596425, 61819952, 64811240, 67195600, 77274940, 81014050, 87354280, 96593675, 100457422, 109192850, 129622480, 154549880, 162028100, 174708560, 193187350, 200914844, 218385700, 251143555, 309099760, 324056200, 386374700, 401829688, 436771400, 502287110, 648112400, 772749400, 803659376, 873542800, 1004574220, 1255717775, 1545498800, 2009148440, 2511435550, 4018296880, 5022871100, 10045742200, 20091484400]

約数ペア:

[(1, 20091484400), (2, 10045742200), (4, 5022871100), (5, 4018296880), (8, 2511435550), (10, 2009148440), (13, 1545498800), (16, 1255717775), (20, 1004574220), (23, 873542800), (25, 803659376), (26, 772749400), (31, 648112400), (40, 502287110), (46, 436771400), (50, 401829688), (52, 386374700), (62, 324056200), (65, 309099760), (80, 251143555), (92, 218385700), (100, 200914844), (104, 193187350), (115, 174708560), (124, 162028100), (130, 154549880), (155, 129622480), (184, 109192850), (200, 100457422), (208, 96593675), (230, 87354280), (248, 81014050), (260, 77274940), (299, 67195600), (310, 64811240), (325, 61819952), (368, 54596425), (400, 50228711), (403, 49854800), (460, 43677140), (496, 40507025), (520, 38637470), (575, 34941712), (598, 33597800), (620, 32405620), (650, 30909976), (713, 28178800), (775, 25924496), (806, 24927400), (920, 21838570), (1040, 19318735), (1150, 17470856), (1196, 16798900), (1240, 16202810), (1300, 15454988), (1426, 14089400), (1495, 13439120), (1550, 12962248), (1612, 12463700), (1840, 10919285), (2015, 9970960), (2300, 8735428), (2392, 8399450), (2480, 8101405), (2600, 7727494), (2852, 7044700), (2990, 6719560), (3100, 6481124), (3224, 6231850), (3565, 5635760), (4030, 4985480), (4600, 4367714), (4784, 4199725), (5200, 3863747), (5419, 3707600), (5704, 3522350), (5980, 3359780), (6200, 3240562), (6448, 3115925), (7130, 2817880), (7475, 2687824), (8060, 2492740), (9200, 2183857), (9269, 2167600), (10075, 1994192), (10838, 1853800), (11408, 1761175), (11960, 1679890), (12400, 1620281), (14260, 1408940), (14950, 1343912), (16120, 1246370), (17825, 1127152), (18538, 1083800), (20150, 997096), (21676, 926900), (23920, 839945), (27095, 741520), (28520, 704470), (29900, 671956), (32240, 623185), (35650, 563576), (37076, 541900), (40300, 498548), (43352, 463450), (46345, 433520), (54190, 370760), (57040, 352235), (59800, 335978), (70447, 285200), (71300, 281788), (74152, 270950), (80600, 249274), (86704, 231725), (92690, 216760), (108380, 185380), (119600, 167989), (124637, 161200), (135475, 148304), (140894, 142600)]