82147580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12409}}^1$

素因数の和:12749

約数の個数: 24

約数和(自身を含む): 173045040

約数和(自身を除く): 90897460

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 12409, 24818, 49636, 62045, 124090, 248180, 4107379, 8214758, 16429516, 20536895, 41073790, 82147580]

約数ペア:

[(1, 82147580), (2, 41073790), (4, 20536895), (5, 16429516), (10, 8214758), (20, 4107379), (331, 248180), (662, 124090), (1324, 62045), (1655, 49636), (3310, 24818), (6620, 12409)]