9964375

素因数分解:

$5^4\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 20

約数和(自身を含む): 12652200

約数和(自身を除く): 2687825

約数列:

[1, 5, 25, 107, 125, 149, 535, 625, 745, 2675, 3725, 13375, 15943, 18625, 66875, 79715, 93125, 398575, 1992875, 9964375]

約数ペア:

[(1, 9964375), (5, 1992875), (25, 398575), (107, 93125), (125, 79715), (149, 66875), (535, 18625), (625, 15943), (745, 13375), (2675, 3725)]