72669160

素因数分解:

$2^3\times 5^1\times {\mathrm{1816729}}^1$

素因数の和:1816740

約数の個数: 16

約数和(自身を含む): 163505700

約数和(自身を除く): 90836540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1816729, 3633458, 7266916, 9083645, 14533832, 18167290, 36334580, 72669160]

約数ペア:

[(1, 72669160), (2, 36334580), (4, 18167290), (5, 14533832), (8, 9083645), (10, 7266916), (20, 3633458), (40, 1816729)]