7111280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8105

約数の個数: 40

約数和(自身を含む): 18039024

約数和(自身を除く): 10927744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 8081, 16162, 32324, 40405, 64648, 80810, 88891, 129296, 161620, 177782, 323240, 355564, 444455, 646480, 711128, 888910, 1422256, 1777820, 3555640, 7111280]

約数ペア:

[(1, 7111280), (2, 3555640), (4, 1777820), (5, 1422256), (8, 888910), (10, 711128), (11, 646480), (16, 444455), (20, 355564), (22, 323240), (40, 177782), (44, 161620), (55, 129296), (80, 88891), (88, 80810), (110, 64648), (176, 40405), (220, 32324), (440, 16162), (880, 8081)]