625586975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2003}}^1$

素因数の和:2088

約数の個数: 36

約数和(自身を含む): 863647848

約数和(自身を除く): 238060873

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 961, 2003, 2015, 4805, 10015, 10075, 12493, 24025, 26039, 50075, 62093, 62465, 130195, 310465, 312325, 650975, 807209, 1552325, 1924883, 4036045, 9624415, 20180225, 25023479, 48122075, 125117395, 625586975]

約数ペア:

[(1, 625586975), (5, 125117395), (13, 48122075), (25, 25023479), (31, 20180225), (65, 9624415), (155, 4036045), (325, 1924883), (403, 1552325), (775, 807209), (961, 650975), (2003, 312325), (2015, 310465), (4805, 130195), (10015, 62465), (10075, 62093), (12493, 50075), (24025, 26039)]