4315605220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{439471}}^1$

素因数の和:439971

約数の個数: 24

約数和(自身を含む): 9081249408

約数和(自身を除く): 4765644188

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 439471, 878942, 1757884, 2197355, 4394710, 8789420, 215780261, 431560522, 863121044, 1078901305, 2157802610, 4315605220]

約数ペア:

[(1, 4315605220), (2, 2157802610), (4, 1078901305), (5, 863121044), (10, 431560522), (20, 215780261), (491, 8789420), (982, 4394710), (1964, 2197355), (2455, 1757884), (4910, 878942), (9820, 439471)]