12505180

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 26354160

約数和(自身を除く): 13848980

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 1889, 3310, 3778, 6620, 7556, 9445, 18890, 37780, 625259, 1250518, 2501036, 3126295, 6252590, 12505180]

約数ペア:

[(1, 12505180), (2, 6252590), (4, 3126295), (5, 2501036), (10, 1250518), (20, 625259), (331, 37780), (662, 18890), (1324, 9445), (1655, 7556), (1889, 6620), (3310, 3778)]