840640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 56

約数和(自身を含む): 2084832

約数和(自身を除く): 1244192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 71, 74, 80, 142, 148, 160, 185, 284, 296, 320, 355, 370, 568, 592, 710, 740, 1136, 1184, 1420, 1480, 2272, 2368, 2627, 2840, 2960, 4544, 5254, 5680, 5920, 10508, 11360, 11840, 13135, 21016, 22720, 26270, 42032, 52540, 84064, 105080, 168128, 210160, 420320, 840640]

約数ペア:

[(1, 840640), (2, 420320), (4, 210160), (5, 168128), (8, 105080), (10, 84064), (16, 52540), (20, 42032), (32, 26270), (37, 22720), (40, 21016), (64, 13135), (71, 11840), (74, 11360), (80, 10508), (142, 5920), (148, 5680), (160, 5254), (185, 4544), (284, 2960), (296, 2840), (320, 2627), (355, 2368), (370, 2272), (568, 1480), (592, 1420), (710, 1184), (740, 1136)]