200907580

素因数分解:

$2^2\times 5^1\times {\mathrm{10045379}}^1$

素因数の和:10045388

約数の個数: 12

約数和(自身を含む): 421905960

約数和(自身を除く): 220998380

約数列:

[1, 2, 4, 5, 10, 20, 10045379, 20090758, 40181516, 50226895, 100453790, 200907580]

約数ペア:

[(1, 200907580), (2, 100453790), (4, 50226895), (5, 40181516), (10, 20090758), (20, 10045379)]