27805625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2654

約数の個数: 20

約数和(自身を含む): 36803844

約数和(自身を除く): 8998219

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 2617, 10625, 13085, 44489, 65425, 222445, 327125, 1112225, 1635625, 5561125, 27805625]

約数ペア:

[(1, 27805625), (5, 5561125), (17, 1635625), (25, 1112225), (85, 327125), (125, 222445), (425, 65425), (625, 44489), (2125, 13085), (2617, 10625)]