51512920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4583}}^1$

素因数の和:4875

約数の個数: 32

約数和(自身を含む): 116341920

約数和(自身を除く): 64829000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 4583, 5620, 9166, 11240, 18332, 22915, 36664, 45830, 91660, 183320, 1287823, 2575646, 5151292, 6439115, 10302584, 12878230, 25756460, 51512920]

約数ペア:

[(1, 51512920), (2, 25756460), (4, 12878230), (5, 10302584), (8, 6439115), (10, 5151292), (20, 2575646), (40, 1287823), (281, 183320), (562, 91660), (1124, 45830), (1405, 36664), (2248, 22915), (2810, 18332), (4583, 11240), (5620, 9166)]