51718780

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{3557}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 108789408

約数和(自身を除く): 57070628

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3557, 3635, 7114, 7270, 14228, 14540, 17785, 35570, 71140, 2585939, 5171878, 10343756, 12929695, 25859390, 51718780]

約数ペア:

[(1, 51718780), (2, 25859390), (4, 12929695), (5, 10343756), (10, 5171878), (20, 2585939), (727, 71140), (1454, 35570), (2908, 17785), (3557, 14540), (3635, 14228), (7114, 7270)]