64038140

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{11903}}^1$

素因数の和:12181

約数の個数: 24

約数和(自身を含む): 134991360

約数和(自身を除く): 70953220

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 11903, 23806, 47612, 59515, 119030, 238060, 3201907, 6403814, 12807628, 16009535, 32019070, 64038140]

約数ペア:

[(1, 64038140), (2, 32019070), (4, 16009535), (5, 12807628), (10, 6403814), (20, 3201907), (269, 238060), (538, 119030), (1076, 59515), (1345, 47612), (2690, 23806), (5380, 11903)]