31271740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21419}}^1$

素因数の和:21501

約数の個数: 24

約数和(自身を含む): 66573360

約数和(自身を除く): 35301620

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21419, 42838, 85676, 107095, 214190, 428380, 1563587, 3127174, 6254348, 7817935, 15635870, 31271740]

約数ペア:

[(1, 31271740), (2, 15635870), (4, 7817935), (5, 6254348), (10, 3127174), (20, 1563587), (73, 428380), (146, 214190), (292, 107095), (365, 85676), (730, 42838), (1460, 21419)]