2768125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 20

約数和(自身を含む): 3573856

約数和(自身を除く): 805731

約数列:

[1, 5, 25, 43, 103, 125, 215, 515, 625, 1075, 2575, 4429, 5375, 12875, 22145, 26875, 64375, 110725, 553625, 2768125]

約数ペア:

[(1, 2768125), (5, 553625), (25, 110725), (43, 64375), (103, 26875), (125, 22145), (215, 12875), (515, 5375), (625, 4429), (1075, 2575)]