71906620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87691}}^1$

素因数の和:87741

約数の個数: 24

約数和(自身を含む): 154688688

約数和(自身を除く): 82782068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87691, 175382, 350764, 438455, 876910, 1753820, 3595331, 7190662, 14381324, 17976655, 35953310, 71906620]

約数ペア:

[(1, 71906620), (2, 35953310), (4, 17976655), (5, 14381324), (10, 7190662), (20, 3595331), (41, 1753820), (82, 876910), (164, 438455), (205, 350764), (410, 175382), (820, 87691)]