4122220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 8769600

約数和(自身を除く): 4647380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2609, 5218, 10436, 13045, 26090, 52180, 206111, 412222, 824444, 1030555, 2061110, 4122220]

約数ペア:

[(1, 4122220), (2, 2061110), (4, 1030555), (5, 824444), (10, 412222), (20, 206111), (79, 52180), (158, 26090), (316, 13045), (395, 10436), (790, 5218), (1580, 2609)]