80432835920

素因数分解:

$2^4\times 5^1\times {\mathrm{29101}}^1\times {\mathrm{34549}}^1$

素因数の和:63663

約数の個数: 40

約数和(自身を含む): 187018182600

約数和(自身を除く): 106585346680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 29101, 34549, 58202, 69098, 116404, 138196, 145505, 172745, 232808, 276392, 291010, 345490, 465616, 552784, 582020, 690980, 1164040, 1381960, 2328080, 2763920, 1005410449, 2010820898, 4021641796, 5027052245, 8043283592, 10054104490, 16086567184, 20108208980, 40216417960, 80432835920]

約数ペア:

[(1, 80432835920), (2, 40216417960), (4, 20108208980), (5, 16086567184), (8, 10054104490), (10, 8043283592), (16, 5027052245), (20, 4021641796), (40, 2010820898), (80, 1005410449), (29101, 2763920), (34549, 2328080), (58202, 1381960), (69098, 1164040), (116404, 690980), (138196, 582020), (145505, 552784), (172745, 465616), (232808, 345490), (276392, 291010)]