9978950

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1831}}^1$

素因数の和:1952

約数の個数: 24

約数和(自身を含む): 18741360

約数和(自身を除く): 8762410

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 1831, 2725, 3662, 5450, 9155, 18310, 45775, 91550, 199579, 399158, 997895, 1995790, 4989475, 9978950]

約数ペア:

[(1, 9978950), (2, 4989475), (5, 1995790), (10, 997895), (25, 399158), (50, 199579), (109, 91550), (218, 45775), (545, 18310), (1090, 9155), (1831, 5450), (2725, 3662)]