77920825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 103207680

約数和(自身を除く): 25286855

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 3467, 4495, 17335, 22475, 86675, 100543, 107477, 502715, 537385, 2513575, 2686925, 3116833, 15584165, 77920825]

約数ペア:

[(1, 77920825), (5, 15584165), (25, 3116833), (29, 2686925), (31, 2513575), (145, 537385), (155, 502715), (725, 107477), (775, 100543), (899, 86675), (3467, 22475), (4495, 17335)]