10242640

素因数分解:

$2^4\times 5^1\times {\mathrm{128033}}^1$

素因数の和:128046

約数の個数: 20

約数和(自身を含む): 23814324

約数和(自身を除く): 13571684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 128033, 256066, 512132, 640165, 1024264, 1280330, 2048528, 2560660, 5121320, 10242640]

約数ペア:

[(1, 10242640), (2, 5121320), (4, 2560660), (5, 2048528), (8, 1280330), (10, 1024264), (16, 640165), (20, 512132), (40, 256066), (80, 128033)]