80750120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183523}}^1$

素因数の和:183545

約数の個数: 32

約数和(自身を含む): 198205920

約数和(自身を除く): 117455800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183523, 367046, 734092, 917615, 1468184, 1835230, 2018753, 3670460, 4037506, 7340920, 8075012, 10093765, 16150024, 20187530, 40375060, 80750120]

約数ペア:

[(1, 80750120), (2, 40375060), (4, 20187530), (5, 16150024), (8, 10093765), (10, 8075012), (11, 7340920), (20, 4037506), (22, 3670460), (40, 2018753), (44, 1835230), (55, 1468184), (88, 917615), (110, 734092), (220, 367046), (440, 183523)]