31462540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19913}}^1$

素因数の和:20001

約数の個数: 24

約数和(自身を含む): 66911040

約数和(自身を除く): 35448500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19913, 39826, 79652, 99565, 199130, 398260, 1573127, 3146254, 6292508, 7865635, 15731270, 31462540]

約数ペア:

[(1, 31462540), (2, 15731270), (4, 7865635), (5, 6292508), (10, 3146254), (20, 1573127), (79, 398260), (158, 199130), (316, 99565), (395, 79652), (790, 39826), (1580, 19913)]