155850820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{47807}}^1$

素因数の和:47979

約数の個数: 24

約数和(自身を含む): 329301504

約数和(自身を除く): 173450684

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 47807, 95614, 191228, 239035, 478070, 956140, 7792541, 15585082, 31170164, 38962705, 77925410, 155850820]

約数ペア:

[(1, 155850820), (2, 77925410), (4, 38962705), (5, 31170164), (10, 15585082), (20, 7792541), (163, 956140), (326, 478070), (652, 239035), (815, 191228), (1630, 95614), (3260, 47807)]