181812640

素因数分解:

$2^5\times 5^1\times {\mathrm{1136329}}^1$

素因数の和:1136344

約数の個数: 24

約数和(自身を含む): 429532740

約数和(自身を除く): 247720100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1136329, 2272658, 4545316, 5681645, 9090632, 11363290, 18181264, 22726580, 36362528, 45453160, 90906320, 181812640]

約数ペア:

[(1, 181812640), (2, 90906320), (4, 45453160), (5, 36362528), (8, 22726580), (10, 18181264), (16, 11363290), (20, 9090632), (32, 5681645), (40, 4545316), (80, 2272658), (160, 1136329)]