8280640

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 56

約数和(自身を含む): 19979640

約数和(自身を除く): 11699000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 229, 320, 452, 458, 565, 904, 916, 1130, 1145, 1808, 1832, 2260, 2290, 3616, 3664, 4520, 4580, 7232, 7328, 9040, 9160, 14656, 18080, 18320, 25877, 36160, 36640, 51754, 73280, 103508, 129385, 207016, 258770, 414032, 517540, 828064, 1035080, 1656128, 2070160, 4140320, 8280640]

約数ペア:

[(1, 8280640), (2, 4140320), (4, 2070160), (5, 1656128), (8, 1035080), (10, 828064), (16, 517540), (20, 414032), (32, 258770), (40, 207016), (64, 129385), (80, 103508), (113, 73280), (160, 51754), (226, 36640), (229, 36160), (320, 25877), (452, 18320), (458, 18080), (565, 14656), (904, 9160), (916, 9040), (1130, 7328), (1145, 7232), (1808, 4580), (1832, 4520), (2260, 3664), (2290, 3616)]