40001875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2256

約数の個数: 20

約数和(自身を含む): 51733440

約数和(自身を除く): 11731565

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 2207, 3625, 11035, 18125, 55175, 64003, 275875, 320015, 1379375, 1600075, 8000375, 40001875]

約数ペア:

[(1, 40001875), (5, 8000375), (25, 1600075), (29, 1379375), (125, 320015), (145, 275875), (625, 64003), (725, 55175), (2207, 18125), (3625, 11035)]