40881875

素因数分解:

$5^4\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:608

約数の個数: 20

約数和(自身を含む): 51546000

約数和(自身を除く): 10664125

約数列:

[1, 5, 25, 125, 149, 439, 625, 745, 2195, 3725, 10975, 18625, 54875, 65411, 93125, 274375, 327055, 1635275, 8176375, 40881875]

約数ペア:

[(1, 40881875), (5, 8176375), (25, 1635275), (125, 327055), (149, 274375), (439, 93125), (625, 65411), (745, 54875), (2195, 18625), (3725, 10975)]