202151120

素因数分解:

$2^4\times 5^1\times {\mathrm{2526889}}^1$

素因数の和:2526902

約数の個数: 20

約数和(自身を含む): 470001540

約数和(自身を除く): 267850420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2526889, 5053778, 10107556, 12634445, 20215112, 25268890, 40430224, 50537780, 101075560, 202151120]

約数ペア:

[(1, 202151120), (2, 101075560), (4, 50537780), (5, 40430224), (8, 25268890), (10, 20215112), (16, 12634445), (20, 10107556), (40, 5053778), (80, 2526889)]