181502180

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{6997}}^1$

素因数の和:8303

約数の個数: 24

約数和(自身を含む): 381502968

約数和(自身を除く): 200000788

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 6997, 12970, 13994, 25940, 27988, 34985, 69970, 139940, 9075109, 18150218, 36300436, 45375545, 90751090, 181502180]

約数ペア:

[(1, 181502180), (2, 90751090), (4, 45375545), (5, 36300436), (10, 18150218), (20, 9075109), (1297, 139940), (2594, 69970), (5188, 34985), (6485, 27988), (6997, 25940), (12970, 13994)]