25477640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8971}}^1$

素因数の和:9053

約数の個数: 32

約数和(自身を含む): 58138560

約数和(自身を除く): 32660920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8971, 17942, 35884, 44855, 71768, 89710, 179420, 358840, 636941, 1273882, 2547764, 3184705, 5095528, 6369410, 12738820, 25477640]

約数ペア:

[(1, 25477640), (2, 12738820), (4, 6369410), (5, 5095528), (8, 3184705), (10, 2547764), (20, 1273882), (40, 636941), (71, 358840), (142, 179420), (284, 89710), (355, 71768), (568, 44855), (710, 35884), (1420, 17942), (2840, 8971)]