31291240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{13259}}^1$

素因数の和:13329

約数の個数: 32

約数和(自身を含む): 71604000

約数和(自身を除く): 40312760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 13259, 26518, 53036, 66295, 106072, 132590, 265180, 530360, 782281, 1564562, 3129124, 3911405, 6258248, 7822810, 15645620, 31291240]

約数ペア:

[(1, 31291240), (2, 15645620), (4, 7822810), (5, 6258248), (8, 3911405), (10, 3129124), (20, 1564562), (40, 782281), (59, 530360), (118, 265180), (236, 132590), (295, 106072), (472, 66295), (590, 53036), (1180, 26518), (2360, 13259)]