13961875

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 20

約数和(自身を含む): 17713080

約数和(自身を除く): 3751205

約数列:

[1, 5, 25, 89, 125, 251, 445, 625, 1255, 2225, 6275, 11125, 22339, 31375, 55625, 111695, 156875, 558475, 2792375, 13961875]

約数ペア:

[(1, 13961875), (5, 2792375), (25, 558475), (89, 156875), (125, 111695), (251, 55625), (445, 31375), (625, 22339), (1255, 11125), (2225, 6275)]