9881180

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{887}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 20811168

約数和(自身を除く): 10929988

約数列:

[1, 2, 4, 5, 10, 20, 557, 887, 1114, 1774, 2228, 2785, 3548, 4435, 5570, 8870, 11140, 17740, 494059, 988118, 1976236, 2470295, 4940590, 9881180]

約数ペア:

[(1, 9881180), (2, 4940590), (4, 2470295), (5, 1976236), (10, 988118), (20, 494059), (557, 17740), (887, 11140), (1114, 8870), (1774, 5570), (2228, 4435), (2785, 3548)]