55890290

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{20177}}^1$

素因数の和:20461

約数の個数: 16

約数和(自身を含む): 100970712

約数和(自身を除く): 45080422

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 20177, 40354, 100885, 201770, 5589029, 11178058, 27945145, 55890290]

約数ペア:

[(1, 55890290), (2, 27945145), (5, 11178058), (10, 5589029), (277, 201770), (554, 100885), (1385, 40354), (2770, 20177)]