255801650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{393541}}^1$

素因数の和:393566

約数の個数: 24

約数和(自身を含む): 512391684

約数和(自身を除く): 256590034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 393541, 787082, 1967705, 3935410, 5116033, 9838525, 10232066, 19677050, 25580165, 51160330, 127900825, 255801650]

約数ペア:

[(1, 255801650), (2, 127900825), (5, 51160330), (10, 25580165), (13, 19677050), (25, 10232066), (26, 9838525), (50, 5116033), (65, 3935410), (130, 1967705), (325, 787082), (650, 393541)]