2105980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3631}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 4576320

約数和(自身を除く): 2470340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3631, 7262, 14524, 18155, 36310, 72620, 105299, 210598, 421196, 526495, 1052990, 2105980]

約数ペア:

[(1, 2105980), (2, 1052990), (4, 526495), (5, 421196), (10, 210598), (20, 105299), (29, 72620), (58, 36310), (116, 18155), (145, 14524), (290, 7262), (580, 3631)]