31484660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19927}}^1$

素因数の和:20015

約数の個数: 24

約数和(自身を含む): 66958080

約数和(自身を除く): 35473420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19927, 39854, 79708, 99635, 199270, 398540, 1574233, 3148466, 6296932, 7871165, 15742330, 31484660]

約数ペア:

[(1, 31484660), (2, 15742330), (4, 7871165), (5, 6296932), (10, 3148466), (20, 1574233), (79, 398540), (158, 199270), (316, 99635), (395, 79708), (790, 39854), (1580, 19927)]