79663280

素因数分解:

$2^4\times 5^1\times {\mathrm{995791}}^1$

素因数の和:995804

約数の個数: 20

約数和(自身を含む): 185217312

約数和(自身を除く): 105554032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 995791, 1991582, 3983164, 4978955, 7966328, 9957910, 15932656, 19915820, 39831640, 79663280]

約数ペア:

[(1, 79663280), (2, 39831640), (4, 19915820), (5, 15932656), (8, 9957910), (10, 7966328), (16, 4978955), (20, 3983164), (40, 1991582), (80, 995791)]