920837375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{387721}}^1$

素因数の和:387755

約数の個数: 16

約数和(自身を含む): 1209692640

約数和(自身を除く): 288855265

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 387721, 1938605, 7366699, 9693025, 36833495, 48465125, 184167475, 920837375]

約数ペア:

[(1, 920837375), (5, 184167475), (19, 48465125), (25, 36833495), (95, 9693025), (125, 7366699), (475, 1938605), (2375, 387721)]