25473640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3907}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 57682080

約数和(自身を除く): 32208440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3907, 6520, 7814, 15628, 19535, 31256, 39070, 78140, 156280, 636841, 1273682, 2547364, 3184205, 5094728, 6368410, 12736820, 25473640]

約数ペア:

[(1, 25473640), (2, 12736820), (4, 6368410), (5, 5094728), (8, 3184205), (10, 2547364), (20, 1273682), (40, 636841), (163, 156280), (326, 78140), (652, 39070), (815, 31256), (1304, 19535), (1630, 15628), (3260, 7814), (3907, 6520)]