4256180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 9008160

約数和(自身を除く): 4751980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1531, 2780, 3062, 6124, 7655, 15310, 30620, 212809, 425618, 851236, 1064045, 2128090, 4256180]

約数ペア:

[(1, 4256180), (2, 2128090), (4, 1064045), (5, 851236), (10, 425618), (20, 212809), (139, 30620), (278, 15310), (556, 7655), (695, 6124), (1390, 3062), (1531, 2780)]