12569420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4003}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 26570544

約数和(自身を除く): 14001124

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4003, 8006, 16012, 20015, 40030, 80060, 628471, 1256942, 2513884, 3142355, 6284710, 12569420]

約数ペア:

[(1, 12569420), (2, 6284710), (4, 3142355), (5, 2513884), (10, 1256942), (20, 628471), (157, 80060), (314, 40030), (628, 20015), (785, 16012), (1570, 8006), (3140, 4003)]