80864048

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 159588000

約数和(自身を除く): 78723952

約数列:

[1, 2, 4, 8, 16, 109, 199, 218, 233, 398, 436, 466, 796, 872, 932, 1592, 1744, 1864, 3184, 3728, 21691, 25397, 43382, 46367, 50794, 86764, 92734, 101588, 173528, 185468, 203176, 347056, 370936, 406352, 741872, 5054003, 10108006, 20216012, 40432024, 80864048]

約数ペア:

[(1, 80864048), (2, 40432024), (4, 20216012), (8, 10108006), (16, 5054003), (109, 741872), (199, 406352), (218, 370936), (233, 347056), (398, 203176), (436, 185468), (466, 173528), (796, 101588), (872, 92734), (932, 86764), (1592, 50794), (1744, 46367), (1864, 43382), (3184, 25397), (3728, 21691)]