51621200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 134324736

約数和(自身を除く): 82703536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 181, 184, 200, 230, 248, 310, 362, 368, 400, 460, 496, 575, 620, 713, 724, 775, 905, 920, 1150, 1240, 1426, 1448, 1550, 1810, 1840, 2300, 2480, 2852, 2896, 3100, 3565, 3620, 4163, 4525, 4600, 5611, 5704, 6200, 7130, 7240, 8326, 9050, 9200, 11222, 11408, 12400, 14260, 14480, 16652, 17825, 18100, 20815, 22444, 28055, 28520, 33304, 35650, 36200, 41630, 44888, 56110, 57040, 66608, 71300, 72400, 83260, 89776, 104075, 112220, 129053, 140275, 142600, 166520, 208150, 224440, 258106, 280550, 285200, 333040, 416300, 448880, 516212, 561100, 645265, 832600, 1032424, 1122200, 1290530, 1665200, 2064848, 2244400, 2581060, 3226325, 5162120, 6452650, 10324240, 12905300, 25810600, 51621200]

約数ペア:

[(1, 51621200), (2, 25810600), (4, 12905300), (5, 10324240), (8, 6452650), (10, 5162120), (16, 3226325), (20, 2581060), (23, 2244400), (25, 2064848), (31, 1665200), (40, 1290530), (46, 1122200), (50, 1032424), (62, 832600), (80, 645265), (92, 561100), (100, 516212), (115, 448880), (124, 416300), (155, 333040), (181, 285200), (184, 280550), (200, 258106), (230, 224440), (248, 208150), (310, 166520), (362, 142600), (368, 140275), (400, 129053), (460, 112220), (496, 104075), (575, 89776), (620, 83260), (713, 72400), (724, 71300), (775, 66608), (905, 57040), (920, 56110), (1150, 44888), (1240, 41630), (1426, 36200), (1448, 35650), (1550, 33304), (1810, 28520), (1840, 28055), (2300, 22444), (2480, 20815), (2852, 18100), (2896, 17825), (3100, 16652), (3565, 14480), (3620, 14260), (4163, 12400), (4525, 11408), (4600, 11222), (5611, 9200), (5704, 9050), (6200, 8326), (7130, 7240)]