109389640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66701}}^1$

素因数の和:66753

約数の個数: 32

約数和(自身を含む): 252133560

約数和(自身を除く): 142743920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 66701, 133402, 266804, 333505, 533608, 667010, 1334020, 2668040, 2734741, 5469482, 10938964, 13673705, 21877928, 27347410, 54694820, 109389640]

約数ペア:

[(1, 109389640), (2, 54694820), (4, 27347410), (5, 21877928), (8, 13673705), (10, 10938964), (20, 5469482), (40, 2734741), (41, 2668040), (82, 1334020), (164, 667010), (205, 533608), (328, 333505), (410, 266804), (820, 133402), (1640, 66701)]