71109580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86719}}^1$

素因数の和:86769

約数の個数: 24

約数和(自身を含む): 152974080

約数和(自身を除く): 81864500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86719, 173438, 346876, 433595, 867190, 1734380, 3555479, 7110958, 14221916, 17777395, 35554790, 71109580]

約数ペア:

[(1, 71109580), (2, 35554790), (4, 17777395), (5, 14221916), (10, 7110958), (20, 3555479), (41, 1734380), (82, 867190), (164, 433595), (205, 346876), (410, 173438), (820, 86719)]