2510178640

素因数分解:

$2^4\times 5^1\times {\mathrm{31377233}}^1$

素因数の和:31377246

約数の個数: 20

約数和(自身を含む): 5836165524

約数和(自身を除く): 3325986884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31377233, 62754466, 125508932, 156886165, 251017864, 313772330, 502035728, 627544660, 1255089320, 2510178640]

約数ペア:

[(1, 2510178640), (2, 1255089320), (4, 627544660), (5, 502035728), (8, 313772330), (10, 251017864), (16, 156886165), (20, 125508932), (40, 62754466), (80, 31377233)]