104418640

素因数分解:

$2^4\times 5^1\times {\mathrm{1305233}}^1$

素因数の和:1305246

約数の個数: 20

約数和(自身を含む): 242773524

約数和(自身を除く): 138354884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1305233, 2610466, 5220932, 6526165, 10441864, 13052330, 20883728, 26104660, 52209320, 104418640]

約数ペア:

[(1, 104418640), (2, 52209320), (4, 26104660), (5, 20883728), (8, 13052330), (10, 10441864), (16, 6526165), (20, 5220932), (40, 2610466), (80, 1305233)]