8899681460

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{271829}}^1$

素因数の和:273475

約数の個数: 24

約数和(自身を含む): 18700816680

約数和(自身を除く): 9801135220

約数列:

[1, 2, 4, 5, 10, 20, 1637, 3274, 6548, 8185, 16370, 32740, 271829, 543658, 1087316, 1359145, 2718290, 5436580, 444984073, 889968146, 1779936292, 2224920365, 4449840730, 8899681460]

約数ペア:

[(1, 8899681460), (2, 4449840730), (4, 2224920365), (5, 1779936292), (10, 889968146), (20, 444984073), (1637, 5436580), (3274, 2718290), (6548, 1359145), (8185, 1087316), (16370, 543658), (32740, 271829)]