55223320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3911}}^1$

素因数の和:4275

約数の個数: 32

約数和(自身を含む): 124636320

約数和(自身を除く): 69413000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 3911, 7060, 7822, 14120, 15644, 19555, 31288, 39110, 78220, 156440, 1380583, 2761166, 5522332, 6902915, 11044664, 13805830, 27611660, 55223320]

約数ペア:

[(1, 55223320), (2, 27611660), (4, 13805830), (5, 11044664), (8, 6902915), (10, 5522332), (20, 2761166), (40, 1380583), (353, 156440), (706, 78220), (1412, 39110), (1765, 31288), (2824, 19555), (3530, 15644), (3911, 14120), (7060, 7822)]