28637540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14177}}^1$

素因数の和:14287

約数の個数: 24

約数和(自身を含む): 60738552

約数和(自身を除く): 32101012

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14177, 28354, 56708, 70885, 141770, 283540, 1431877, 2863754, 5727508, 7159385, 14318770, 28637540]

約数ペア:

[(1, 28637540), (2, 14318770), (4, 7159385), (5, 5727508), (10, 2863754), (20, 1431877), (101, 283540), (202, 141770), (404, 70885), (505, 56708), (1010, 28354), (2020, 14177)]