2648020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4271}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 5741568

約数和(自身を除く): 3093548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4271, 8542, 17084, 21355, 42710, 85420, 132401, 264802, 529604, 662005, 1324010, 2648020]

約数ペア:

[(1, 2648020), (2, 1324010), (4, 662005), (5, 529604), (10, 264802), (20, 132401), (31, 85420), (62, 42710), (124, 21355), (155, 17084), (310, 8542), (620, 4271)]