18727236875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{730819}}^1$

素因数の和:730880

約数の個数: 20

約数和(自身を含む): 23972357640

約数和(自身を除く): 5245120765

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 5125, 25625, 730819, 3654095, 18270475, 29963579, 91352375, 149817895, 456761875, 749089475, 3745447375, 18727236875]

約数ペア:

[(1, 18727236875), (5, 3745447375), (25, 749089475), (41, 456761875), (125, 149817895), (205, 91352375), (625, 29963579), (1025, 18270475), (5125, 3654095), (25625, 730819)]