4068366980

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{247769}}^1$

素因数の和:248599

約数の個数: 24

約数和(自身を含む): 8554011480

約数和(自身を除く): 4485644500

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 247769, 495538, 991076, 1238845, 2477690, 4955380, 203418349, 406836698, 813673396, 1017091745, 2034183490, 4068366980]

約数ペア:

[(1, 4068366980), (2, 2034183490), (4, 1017091745), (5, 813673396), (10, 406836698), (20, 203418349), (821, 4955380), (1642, 2477690), (3284, 1238845), (4105, 991076), (8210, 495538), (16420, 247769)]