81855490

素因数分解:

$2^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{5851}}^1$

素因数の和:7257

約数の個数: 16

約数和(自身を含む): 147470400

約数和(自身を除く): 65614910

約数列:

[1, 2, 5, 10, 1399, 2798, 5851, 6995, 11702, 13990, 29255, 58510, 8185549, 16371098, 40927745, 81855490]

約数ペア:

[(1, 81855490), (2, 40927745), (5, 16371098), (10, 8185549), (1399, 58510), (2798, 29255), (5851, 13990), (6995, 11702)]