68328980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48119}}^1$

素因数の和:48199

約数の個数: 24

約数和(自身を含む): 145514880

約数和(自身を除く): 77185900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48119, 96238, 192476, 240595, 481190, 962380, 3416449, 6832898, 13665796, 17082245, 34164490, 68328980]

約数ペア:

[(1, 68328980), (2, 34164490), (4, 17082245), (5, 13665796), (10, 6832898), (20, 3416449), (71, 962380), (142, 481190), (284, 240595), (355, 192476), (710, 96238), (1420, 48119)]