87742180

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{3083}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 184447872

約数和(自身を除く): 96705692

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 3083, 5692, 6166, 7115, 12332, 14230, 15415, 28460, 30830, 61660, 4387109, 8774218, 17548436, 21935545, 43871090, 87742180]

約数ペア:

[(1, 87742180), (2, 43871090), (4, 21935545), (5, 17548436), (10, 8774218), (20, 4387109), (1423, 61660), (2846, 30830), (3083, 28460), (5692, 15415), (6166, 14230), (7115, 12332)]