31154980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5923}}^1$

素因数の和:6195

約数の個数: 24

約数和(自身を含む): 65685312

約数和(自身を除く): 34530332

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5923, 11846, 23692, 29615, 59230, 118460, 1557749, 3115498, 6230996, 7788745, 15577490, 31154980]

約数ペア:

[(1, 31154980), (2, 15577490), (4, 7788745), (5, 6230996), (10, 3115498), (20, 1557749), (263, 118460), (526, 59230), (1052, 29615), (1315, 23692), (2630, 11846), (5260, 5923)]