71025580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27109}}^1$

素因数の和:27249

約数の個数: 24

約数和(自身を含む): 150297840

約数和(自身を除く): 79272260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27109, 54218, 108436, 135545, 271090, 542180, 3551279, 7102558, 14205116, 17756395, 35512790, 71025580]

約数ペア:

[(1, 71025580), (2, 35512790), (4, 17756395), (5, 14205116), (10, 7102558), (20, 3551279), (131, 542180), (262, 271090), (524, 135545), (655, 108436), (1310, 54218), (2620, 27109)]