31472020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19919}}^1$

素因数の和:20007

約数の個数: 24

約数和(自身を含む): 66931200

約数和(自身を除く): 35459180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19919, 39838, 79676, 99595, 199190, 398380, 1573601, 3147202, 6294404, 7868005, 15736010, 31472020]

約数ペア:

[(1, 31472020), (2, 15736010), (4, 7868005), (5, 6294404), (10, 3147202), (20, 1573601), (79, 398380), (158, 199190), (316, 99595), (395, 79676), (790, 39838), (1580, 19919)]