49131875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{6047}}^1$

素因数の和:6080

約数の個数: 20

約数和(自身を含む): 66128832

約数和(自身を除く): 16996957

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 6047, 8125, 30235, 78611, 151175, 393055, 755875, 1965275, 3779375, 9826375, 49131875]

約数ペア:

[(1, 49131875), (5, 9826375), (13, 3779375), (25, 1965275), (65, 755875), (125, 393055), (325, 151175), (625, 78611), (1625, 30235), (6047, 8125)]