80451248140

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{5111261}}^1$

素因数の和:5112057

約数の個数: 24

約数和(自身を含む): 169162327152

約数和(自身を除く): 88711079012

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 15740, 5111261, 10222522, 20445044, 25556305, 51112610, 102225220, 4022562407, 8045124814, 16090249628, 20112812035, 40225624070, 80451248140]

約数ペア:

[(1, 80451248140), (2, 40225624070), (4, 20112812035), (5, 16090249628), (10, 8045124814), (20, 4022562407), (787, 102225220), (1574, 51112610), (3148, 25556305), (3935, 20445044), (7870, 10222522), (15740, 5111261)]