80809025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 109722144

約数和(自身を除く): 28913119

約数列:

[1, 5, 11, 25, 55, 275, 457, 643, 2285, 3215, 5027, 7073, 11425, 16075, 25135, 35365, 125675, 176825, 293851, 1469255, 3232361, 7346275, 16161805, 80809025]

約数ペア:

[(1, 80809025), (5, 16161805), (11, 7346275), (25, 3232361), (55, 1469255), (275, 293851), (457, 176825), (643, 125675), (2285, 35365), (3215, 25135), (5027, 16075), (7073, 11425)]