79256560

素因数分解:

$2^4\times 5^1\times {\mathrm{990707}}^1$

素因数の和:990720

約数の個数: 20

約数和(自身を含む): 184271688

約数和(自身を除く): 105015128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990707, 1981414, 3962828, 4953535, 7925656, 9907070, 15851312, 19814140, 39628280, 79256560]

約数ペア:

[(1, 79256560), (2, 39628280), (4, 19814140), (5, 15851312), (8, 9907070), (10, 7925656), (16, 4953535), (20, 3962828), (40, 1981414), (80, 990707)]