25367028220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7781297}}^1$

素因数の和:7781469

約数の個数: 24

約数和(自身を含む): 53597580624

約数和(自身を除く): 28230552404

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7781297, 15562594, 31125188, 38906485, 77812970, 155625940, 1268351411, 2536702822, 5073405644, 6341757055, 12683514110, 25367028220]

約数ペア:

[(1, 25367028220), (2, 12683514110), (4, 6341757055), (5, 5073405644), (10, 2536702822), (20, 1268351411), (163, 155625940), (326, 77812970), (652, 38906485), (815, 31125188), (1630, 15562594), (3260, 7781297)]