4185025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 5694080

約数和(自身を除く): 1509055

約数列:

[1, 5, 13, 25, 65, 79, 163, 325, 395, 815, 1027, 1975, 2119, 4075, 5135, 10595, 12877, 25675, 52975, 64385, 167401, 321925, 837005, 4185025]

約数ペア:

[(1, 4185025), (5, 837005), (13, 321925), (25, 167401), (65, 64385), (79, 52975), (163, 25675), (325, 12877), (395, 10595), (815, 5135), (1027, 4075), (1975, 2119)]