8420900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 18467568

約数和(自身を除く): 10046668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 787, 1070, 1574, 2140, 2675, 3148, 3935, 5350, 7870, 10700, 15740, 19675, 39350, 78700, 84209, 168418, 336836, 421045, 842090, 1684180, 2105225, 4210450, 8420900]

約数ペア:

[(1, 8420900), (2, 4210450), (4, 2105225), (5, 1684180), (10, 842090), (20, 421045), (25, 336836), (50, 168418), (100, 84209), (107, 78700), (214, 39350), (428, 19675), (535, 15740), (787, 10700), (1070, 7870), (1574, 5350), (2140, 3935), (2675, 3148)]