26787725

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^2$

素因数の和:317

約数の個数: 18

約数和(自身を含む): 33874506

約数和(自身を除く): 7086781

約数列:

[1, 5, 25, 101, 103, 505, 515, 2525, 2575, 10403, 10609, 52015, 53045, 260075, 265225, 1071509, 5357545, 26787725]

約数ペア:

[(1, 26787725), (5, 5357545), (25, 1071509), (101, 265225), (103, 260075), (505, 53045), (515, 52015), (2525, 10609), (2575, 10403)]