51544540

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6427}}^1$

素因数の和:6837

約数の個数: 24

約数和(自身を含む): 108530352

約数和(自身を除く): 56985812

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 6427, 8020, 12854, 25708, 32135, 64270, 128540, 2577227, 5154454, 10308908, 12886135, 25772270, 51544540]

約数ペア:

[(1, 51544540), (2, 25772270), (4, 12886135), (5, 10308908), (10, 5154454), (20, 2577227), (401, 128540), (802, 64270), (1604, 32135), (2005, 25708), (4010, 12854), (6427, 8020)]