40407875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 53239680

約数和(自身を除く): 12831805

約数列:

[1, 5, 25, 29, 71, 125, 145, 157, 355, 725, 785, 1775, 2059, 3625, 3925, 4553, 8875, 10295, 11147, 19625, 22765, 51475, 55735, 113825, 257375, 278675, 323263, 569125, 1393375, 1616315, 8081575, 40407875]

約数ペア:

[(1, 40407875), (5, 8081575), (25, 1616315), (29, 1393375), (71, 569125), (125, 323263), (145, 278675), (157, 257375), (355, 113825), (725, 55735), (785, 51475), (1775, 22765), (2059, 19625), (3625, 11147), (3925, 10295), (4553, 8875)]