90392180

素因数分解:

$2^2\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{2447}}^1$

素因数の和:4303

約数の個数: 24

約数和(自身を含む): 190003968

約数和(自身を除く): 99611788

約数列:

[1, 2, 4, 5, 10, 20, 1847, 2447, 3694, 4894, 7388, 9235, 9788, 12235, 18470, 24470, 36940, 48940, 4519609, 9039218, 18078436, 22598045, 45196090, 90392180]

約数ペア:

[(1, 90392180), (2, 45196090), (4, 22598045), (5, 18078436), (10, 9039218), (20, 4519609), (1847, 48940), (2447, 36940), (3694, 24470), (4894, 18470), (7388, 12235), (9235, 9788)]