66130625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{9619}}^1$

素因数の和:9650

約数の個数: 20

約数和(自身を含む): 90158640

約数和(自身を除く): 24028015

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 9619, 48095, 105809, 240475, 529045, 1202375, 2645225, 6011875, 13226125, 66130625]

約数ペア:

[(1, 66130625), (5, 13226125), (11, 6011875), (25, 2645225), (55, 1202375), (125, 529045), (275, 240475), (625, 105809), (1375, 48095), (6875, 9619)]