81622160

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9029}}^1$

素因数の和:9155

約数の個数: 40

約数和(自身を含む): 191472120

約数和(自身を除く): 109849960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9029, 9040, 18058, 36116, 45145, 72232, 90290, 144464, 180580, 361160, 722320, 1020277, 2040554, 4081108, 5101385, 8162216, 10202770, 16324432, 20405540, 40811080, 81622160]

約数ペア:

[(1, 81622160), (2, 40811080), (4, 20405540), (5, 16324432), (8, 10202770), (10, 8162216), (16, 5101385), (20, 4081108), (40, 2040554), (80, 1020277), (113, 722320), (226, 361160), (452, 180580), (565, 144464), (904, 90290), (1130, 72232), (1808, 45145), (2260, 36116), (4520, 18058), (9029, 9040)]