4030975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 5485760

約数和(自身を除く): 1454785

約数列:

[1, 5, 13, 25, 65, 79, 157, 325, 395, 785, 1027, 1975, 2041, 3925, 5135, 10205, 12403, 25675, 51025, 62015, 161239, 310075, 806195, 4030975]

約数ペア:

[(1, 4030975), (5, 806195), (13, 310075), (25, 161239), (65, 62015), (79, 51025), (157, 25675), (325, 12403), (395, 10205), (785, 5135), (1027, 3925), (1975, 2041)]