100266440

素因数分解:

$2^3\times 5^1\times {\mathrm{2506661}}^1$

素因数の和:2506672

約数の個数: 16

約数和(自身を含む): 225599580

約数和(自身を除く): 125333140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2506661, 5013322, 10026644, 12533305, 20053288, 25066610, 50133220, 100266440]

約数ペア:

[(1, 100266440), (2, 50133220), (4, 25066610), (5, 20053288), (8, 12533305), (10, 10026644), (20, 5013322), (40, 2506661)]