80165668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{3271}}^1$

素因数の和:3843

約数の個数: 24

約数和(自身を含む): 153365184

約数和(自身を除く): 73199516

約数列:

[1, 2, 4, 11, 22, 44, 557, 1114, 2228, 3271, 6127, 6542, 12254, 13084, 24508, 35981, 71962, 143924, 1821947, 3643894, 7287788, 20041417, 40082834, 80165668]

約数ペア:

[(1, 80165668), (2, 40082834), (4, 20041417), (11, 7287788), (22, 3643894), (44, 1821947), (557, 143924), (1114, 71962), (2228, 35981), (3271, 24508), (6127, 13084), (6542, 12254)]