87504580

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{4211}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 183980160

約数和(自身を除く): 96475580

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 4211, 5195, 8422, 10390, 16844, 20780, 21055, 42110, 84220, 4375229, 8750458, 17500916, 21876145, 43752290, 87504580]

約数ペア:

[(1, 87504580), (2, 43752290), (4, 21876145), (5, 17500916), (10, 8750458), (20, 4375229), (1039, 84220), (2078, 42110), (4156, 21055), (4211, 20780), (5195, 16844), (8422, 10390)]