31319140

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1823}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 65882880

約数和(自身を除く): 34563740

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 1823, 3436, 3646, 4295, 7292, 8590, 9115, 17180, 18230, 36460, 1565957, 3131914, 6263828, 7829785, 15659570, 31319140]

約数ペア:

[(1, 31319140), (2, 15659570), (4, 7829785), (5, 6263828), (10, 3131914), (20, 1565957), (859, 36460), (1718, 18230), (1823, 17180), (3436, 9115), (3646, 8590), (4295, 7292)]