12856460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 27610128

約数和(自身を除く): 14753668

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 316, 395, 412, 515, 790, 1030, 1580, 2060, 6241, 8137, 12482, 16274, 24964, 31205, 32548, 40685, 62410, 81370, 124820, 162740, 642823, 1285646, 2571292, 3214115, 6428230, 12856460]

約数ペア:

[(1, 12856460), (2, 6428230), (4, 3214115), (5, 2571292), (10, 1285646), (20, 642823), (79, 162740), (103, 124820), (158, 81370), (206, 62410), (316, 40685), (395, 32548), (412, 31205), (515, 24964), (790, 16274), (1030, 12482), (1580, 8137), (2060, 6241)]