86720945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{3881}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 107609040

約数和(自身を除く): 20888095

約数列:

[1, 5, 41, 109, 205, 545, 3881, 4469, 19405, 22345, 159121, 423029, 795605, 2115145, 17344189, 86720945]

約数ペア:

[(1, 86720945), (5, 17344189), (41, 2115145), (109, 795605), (205, 423029), (545, 159121), (3881, 22345), (4469, 19405)]