10403740

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{809}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 21908880

約数和(自身を除く): 11505140

約数列:

[1, 2, 4, 5, 10, 20, 643, 809, 1286, 1618, 2572, 3215, 3236, 4045, 6430, 8090, 12860, 16180, 520187, 1040374, 2080748, 2600935, 5201870, 10403740]

約数ペア:

[(1, 10403740), (2, 5201870), (4, 2600935), (5, 2080748), (10, 1040374), (20, 520187), (643, 16180), (809, 12860), (1286, 8090), (1618, 6430), (2572, 4045), (3215, 3236)]