40263640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24551}}^1$

素因数の和:24603

約数の個数: 32

約数和(自身を含む): 92806560

約数和(自身を除く): 52542920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24551, 49102, 98204, 122755, 196408, 245510, 491020, 982040, 1006591, 2013182, 4026364, 5032955, 8052728, 10065910, 20131820, 40263640]

約数ペア:

[(1, 40263640), (2, 20131820), (4, 10065910), (5, 8052728), (8, 5032955), (10, 4026364), (20, 2013182), (40, 1006591), (41, 982040), (82, 491020), (164, 245510), (205, 196408), (328, 122755), (410, 98204), (820, 49102), (1640, 24551)]