81050050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 164453760

約数和(自身を除く): 83403710

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 79, 85, 142, 158, 170, 289, 355, 395, 425, 578, 710, 790, 850, 1207, 1343, 1445, 1775, 1975, 2414, 2686, 2890, 3550, 3950, 5609, 6035, 6715, 7225, 11218, 12070, 13430, 14450, 20519, 22831, 28045, 30175, 33575, 41038, 45662, 56090, 60350, 67150, 95353, 102595, 114155, 140225, 190706, 205190, 228310, 280450, 476765, 512975, 570775, 953530, 1025950, 1141550, 1621001, 2383825, 3242002, 4767650, 8105005, 16210010, 40525025, 81050050]

約数ペア:

[(1, 81050050), (2, 40525025), (5, 16210010), (10, 8105005), (17, 4767650), (25, 3242002), (34, 2383825), (50, 1621001), (71, 1141550), (79, 1025950), (85, 953530), (142, 570775), (158, 512975), (170, 476765), (289, 280450), (355, 228310), (395, 205190), (425, 190706), (578, 140225), (710, 114155), (790, 102595), (850, 95353), (1207, 67150), (1343, 60350), (1445, 56090), (1775, 45662), (1975, 41038), (2414, 33575), (2686, 30175), (2890, 28045), (3550, 22831), (3950, 20519), (5609, 14450), (6035, 13430), (6715, 12070), (7225, 11218)]