28891580

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1217}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 60773328

約数和(自身を除く): 31881748

約数列:

[1, 2, 4, 5, 10, 20, 1187, 1217, 2374, 2434, 4748, 4868, 5935, 6085, 11870, 12170, 23740, 24340, 1444579, 2889158, 5778316, 7222895, 14445790, 28891580]

約数ペア:

[(1, 28891580), (2, 14445790), (4, 7222895), (5, 5778316), (10, 2889158), (20, 1444579), (1187, 24340), (1217, 23740), (2374, 12170), (2434, 11870), (4748, 6085), (4868, 5935)]