40421875

素因数分解:

$5^6\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 28

約数和(自身を含む): 54686800

約数和(自身を除く): 14264925

約数列:

[1, 5, 13, 25, 65, 125, 199, 325, 625, 995, 1625, 2587, 3125, 4975, 8125, 12935, 15625, 24875, 40625, 64675, 124375, 203125, 323375, 621875, 1616875, 3109375, 8084375, 40421875]

約数ペア:

[(1, 40421875), (5, 8084375), (13, 3109375), (25, 1616875), (65, 621875), (125, 323375), (199, 203125), (325, 124375), (625, 64675), (995, 40625), (1625, 24875), (2587, 15625), (3125, 12935), (4975, 8125)]