8138975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 11040960

約数和(自身を除く): 2901985

約数列:

[1, 5, 13, 25, 65, 79, 317, 325, 395, 1027, 1585, 1975, 4121, 5135, 7925, 20605, 25043, 25675, 103025, 125215, 325559, 626075, 1627795, 8138975]

約数ペア:

[(1, 8138975), (5, 1627795), (13, 626075), (25, 325559), (65, 125215), (79, 103025), (317, 25675), (325, 25043), (395, 20605), (1027, 7925), (1585, 5135), (1975, 4121)]