42020360

素因数分解:

$2^3\times 5^1\times {\mathrm{1050509}}^1$

素因数の和:1050520

約数の個数: 16

約数和(自身を含む): 94545900

約数和(自身を除く): 52525540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1050509, 2101018, 4202036, 5252545, 8404072, 10505090, 21010180, 42020360]

約数ペア:

[(1, 42020360), (2, 21010180), (4, 10505090), (5, 8404072), (8, 5252545), (10, 4202036), (20, 2101018), (40, 1050509)]