28900360

素因数分解:

$2^3\times 5^1\times {\mathrm{722509}}^1$

素因数の和:722520

約数の個数: 16

約数和(自身を含む): 65025900

約数和(自身を除く): 36125540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 722509, 1445018, 2890036, 3612545, 5780072, 7225090, 14450180, 28900360]

約数ペア:

[(1, 28900360), (2, 14450180), (4, 7225090), (5, 5780072), (8, 3612545), (10, 2890036), (20, 1445018), (40, 722509)]