1657640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 3861000

約数和(自身を除く): 2203360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1429, 2858, 5716, 7145, 11432, 14290, 28580, 41441, 57160, 82882, 165764, 207205, 331528, 414410, 828820, 1657640]

約数ペア:

[(1, 1657640), (2, 828820), (4, 414410), (5, 331528), (8, 207205), (10, 165764), (20, 82882), (29, 57160), (40, 41441), (58, 28580), (116, 14290), (145, 11432), (232, 7145), (290, 5716), (580, 2858), (1160, 1429)]