80219788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{38791}}^1$

素因数の和:38853

約数の個数: 24

約数和(自身を含む): 156409344

約数和(自身を除く): 76189556

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 38791, 77582, 155164, 426701, 853402, 1706804, 1823177, 3646354, 7292708, 20054947, 40109894, 80219788]

約数ペア:

[(1, 80219788), (2, 40109894), (4, 20054947), (11, 7292708), (22, 3646354), (44, 1823177), (47, 1706804), (94, 853402), (188, 426701), (517, 155164), (1034, 77582), (2068, 38791)]