13660625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 20

約数和(自身を含む): 18631536

約数和(自身を除く): 4970911

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 1987, 6875, 9935, 21857, 49675, 109285, 248375, 546425, 1241875, 2732125, 13660625]

約数ペア:

[(1, 13660625), (5, 2732125), (11, 1241875), (25, 546425), (55, 248375), (125, 109285), (275, 49675), (625, 21857), (1375, 9935), (1987, 6875)]