100408026380

素因数分解:

$2^2\times 5^1\times {\mathrm{5020401319}}^1$

素因数の和:5020401328

約数の個数: 12

約数和(自身を含む): 210856855440

約数和(自身を除く): 110448829060

約数列:

[1, 2, 4, 5, 10, 20, 5020401319, 10040802638, 20081605276, 25102006595, 50204013190, 100408026380]

約数ペア:

[(1, 100408026380), (2, 50204013190), (4, 25102006595), (5, 20081605276), (10, 10040802638), (20, 5020401319)]