31004980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15349}}^1$

素因数の和:15459

約数の個数: 24

約数和(自身を含む): 65759400

約数和(自身を除く): 34754420

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 15349, 30698, 61396, 76745, 153490, 306980, 1550249, 3100498, 6200996, 7751245, 15502490, 31004980]

約数ペア:

[(1, 31004980), (2, 15502490), (4, 7751245), (5, 6200996), (10, 3100498), (20, 1550249), (101, 306980), (202, 153490), (404, 76745), (505, 61396), (1010, 30698), (2020, 15349)]