51968125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{7559}}^1$

素因数の和:7590

約数の個数: 20

約数和(自身を含む): 70852320

約数和(自身を除く): 18884195

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 7559, 37795, 83149, 188975, 415745, 944875, 2078725, 4724375, 10393625, 51968125]

約数ペア:

[(1, 51968125), (5, 10393625), (11, 4724375), (25, 2078725), (55, 944875), (125, 415745), (275, 188975), (625, 83149), (1375, 37795), (6875, 7559)]