12736820

素因数分解:

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

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 26918304

約数和(自身を除く): 14181484

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3907, 7814, 15628, 19535, 39070, 78140, 636841, 1273682, 2547364, 3184205, 6368410, 12736820]

約数ペア:

[(1, 12736820), (2, 6368410), (4, 3184205), (5, 2547364), (10, 1273682), (20, 636841), (163, 78140), (326, 39070), (652, 19535), (815, 15628), (1630, 7814), (3260, 3907)]