40203280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 109992960

約数和(自身を除く): 69789680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 43, 52, 58, 62, 65, 80, 86, 104, 116, 124, 130, 145, 155, 172, 208, 215, 232, 248, 260, 290, 310, 344, 377, 403, 430, 464, 496, 520, 559, 580, 620, 688, 754, 806, 860, 899, 1040, 1118, 1160, 1240, 1247, 1333, 1508, 1612, 1720, 1798, 1885, 2015, 2236, 2320, 2480, 2494, 2666, 2795, 3016, 3224, 3440, 3596, 3770, 4030, 4472, 4495, 4988, 5332, 5590, 6032, 6235, 6448, 6665, 7192, 7540, 8060, 8944, 8990, 9976, 10664, 11180, 11687, 12470, 13330, 14384, 15080, 16120, 16211, 17329, 17980, 19952, 21328, 22360, 23374, 24940, 26660, 30160, 32240, 32422, 34658, 35960, 38657, 44720, 46748, 49880, 53320, 58435, 64844, 69316, 71920, 77314, 81055, 86645, 93496, 99760, 106640, 116870, 129688, 138632, 154628, 162110, 173290, 186992, 193285, 233740, 259376, 277264, 309256, 324220, 346580, 386570, 467480, 502541, 618512, 648440, 693160, 773140, 934960, 1005082, 1296880, 1386320, 1546280, 2010164, 2512705, 3092560, 4020328, 5025410, 8040656, 10050820, 20101640, 40203280]

約数ペア:

[(1, 40203280), (2, 20101640), (4, 10050820), (5, 8040656), (8, 5025410), (10, 4020328), (13, 3092560), (16, 2512705), (20, 2010164), (26, 1546280), (29, 1386320), (31, 1296880), (40, 1005082), (43, 934960), (52, 773140), (58, 693160), (62, 648440), (65, 618512), (80, 502541), (86, 467480), (104, 386570), (116, 346580), (124, 324220), (130, 309256), (145, 277264), (155, 259376), (172, 233740), (208, 193285), (215, 186992), (232, 173290), (248, 162110), (260, 154628), (290, 138632), (310, 129688), (344, 116870), (377, 106640), (403, 99760), (430, 93496), (464, 86645), (496, 81055), (520, 77314), (559, 71920), (580, 69316), (620, 64844), (688, 58435), (754, 53320), (806, 49880), (860, 46748), (899, 44720), (1040, 38657), (1118, 35960), (1160, 34658), (1240, 32422), (1247, 32240), (1333, 30160), (1508, 26660), (1612, 24940), (1720, 23374), (1798, 22360), (1885, 21328), (2015, 19952), (2236, 17980), (2320, 17329), (2480, 16211), (2494, 16120), (2666, 15080), (2795, 14384), (3016, 13330), (3224, 12470), (3440, 11687), (3596, 11180), (3770, 10664), (4030, 9976), (4472, 8990), (4495, 8944), (4988, 8060), (5332, 7540), (5590, 7192), (6032, 6665), (6235, 6448)]