64916225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4001}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 89324640

約数和(自身を除く): 24408415

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 4001, 16225, 20005, 44011, 100025, 220055, 236059, 1100275, 1180295, 2596649, 5901475, 12983245, 64916225]

約数ペア:

[(1, 64916225), (5, 12983245), (11, 5901475), (25, 2596649), (55, 1180295), (59, 1100275), (275, 236059), (295, 220055), (649, 100025), (1475, 44011), (3245, 20005), (4001, 16225)]