39438125

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 49905900

約数和(自身を除く): 10467775

約数列:

[1, 5, 25, 89, 125, 445, 625, 709, 2225, 3545, 11125, 17725, 55625, 63101, 88625, 315505, 443125, 1577525, 7887625, 39438125]

約数ペア:

[(1, 39438125), (5, 7887625), (25, 1577525), (89, 443125), (125, 315505), (445, 88625), (625, 63101), (709, 55625), (2225, 17725), (3545, 11125)]