77972680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11959}}^1$

素因数の和:12133

約数の個数: 32

約数和(自身を含む): 176529600

約数和(自身を除く): 98556920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11959, 23918, 47836, 59795, 95672, 119590, 239180, 478360, 1949317, 3898634, 7797268, 9746585, 15594536, 19493170, 38986340, 77972680]

約数ペア:

[(1, 77972680), (2, 38986340), (4, 19493170), (5, 15594536), (8, 9746585), (10, 7797268), (20, 3898634), (40, 1949317), (163, 478360), (326, 239180), (652, 119590), (815, 95672), (1304, 59795), (1630, 47836), (3260, 23918), (6520, 11959)]