64702640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21859}}^1$

素因数の和:21909

約数の個数: 40

約数和(自身を含む): 154506480

約数和(自身を除く): 89803840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 437180, 808783, 874360, 1617566, 1748720, 3235132, 4043915, 6470264, 8087830, 12940528, 16175660, 32351320, 64702640]

約数ペア:

[(1, 64702640), (2, 32351320), (4, 16175660), (5, 12940528), (8, 8087830), (10, 6470264), (16, 4043915), (20, 3235132), (37, 1748720), (40, 1617566), (74, 874360), (80, 808783), (148, 437180), (185, 349744), (296, 218590), (370, 174872), (592, 109295), (740, 87436), (1480, 43718), (2960, 21859)]