51417620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12919}}^1$

素因数の和:13127

約数の個数: 24

約数和(自身を含む): 108528000

約数和(自身を除く): 57110380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 12919, 25838, 51676, 64595, 129190, 258380, 2570881, 5141762, 10283524, 12854405, 25708810, 51417620]

約数ペア:

[(1, 51417620), (2, 25708810), (4, 12854405), (5, 10283524), (10, 5141762), (20, 2570881), (199, 258380), (398, 129190), (796, 64595), (995, 51676), (1990, 25838), (3980, 12919)]