135620620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{165391}}^1$

素因数の和:165441

約数の個数: 24

約数和(自身を含む): 291751488

約数和(自身を除く): 156130868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 165391, 330782, 661564, 826955, 1653910, 3307820, 6781031, 13562062, 27124124, 33905155, 67810310, 135620620]

約数ペア:

[(1, 135620620), (2, 67810310), (4, 33905155), (5, 27124124), (10, 13562062), (20, 6781031), (41, 3307820), (82, 1653910), (164, 826955), (205, 661564), (410, 330782), (820, 165391)]