54120725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 71221632

約数和(自身を除く): 17100907

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 1403, 1525, 1543, 7015, 7715, 35075, 35489, 38575, 94123, 177445, 470615, 887225, 2164829, 2353075, 10824145, 54120725]

約数ペア:

[(1, 54120725), (5, 10824145), (23, 2353075), (25, 2164829), (61, 887225), (115, 470615), (305, 177445), (575, 94123), (1403, 38575), (1525, 35489), (1543, 35075), (7015, 7715)]