100408940

素因数分解:

$2^2\times 5^1\times {\mathrm{5020447}}^1$

素因数の和:5020456

約数の個数: 12

約数和(自身を含む): 210858816

約数和(自身を除く): 110449876

約数列:

[1, 2, 4, 5, 10, 20, 5020447, 10040894, 20081788, 25102235, 50204470, 100408940]

約数ペア:

[(1, 100408940), (2, 50204470), (4, 25102235), (5, 20081788), (10, 10040894), (20, 5020447)]