31478380

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5851}}^1$

素因数の和:6129

約数の個数: 24

約数和(自身を含む): 66361680

約数和(自身を除く): 34883300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 5851, 11702, 23404, 29255, 58510, 117020, 1573919, 3147838, 6295676, 7869595, 15739190, 31478380]

約数ペア:

[(1, 31478380), (2, 15739190), (4, 7869595), (5, 6295676), (10, 3147838), (20, 1573919), (269, 117020), (538, 58510), (1076, 29255), (1345, 23404), (2690, 11702), (5380, 5851)]