86385625

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1662

約数の個数: 20

約数和(自身を含む): 109230660

約数和(自身を除く): 22845035

約数列:

[1, 5, 25, 89, 125, 445, 625, 1553, 2225, 7765, 11125, 38825, 55625, 138217, 194125, 691085, 970625, 3455425, 17277125, 86385625]

約数ペア:

[(1, 86385625), (5, 17277125), (25, 3455425), (89, 970625), (125, 691085), (445, 194125), (625, 138217), (1553, 55625), (2225, 38825), (7765, 11125)]