1904005025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{18481}}^1$

素因数の和:18821

約数の個数: 24

約数和(自身を含む): 2550737784

約数和(自身を除く): 646732759

約数列:

[1, 5, 13, 25, 65, 317, 325, 1585, 4121, 7925, 18481, 20605, 92405, 103025, 240253, 462025, 1201265, 5858477, 6006325, 29292385, 76160201, 146461925, 380801005, 1904005025]

約数ペア:

[(1, 1904005025), (5, 380801005), (13, 146461925), (25, 76160201), (65, 29292385), (317, 6006325), (325, 5858477), (1585, 1201265), (4121, 462025), (7925, 240253), (18481, 103025), (20605, 92405)]