55750360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32413}}^1$

素因数の和:32467

約数の個数: 32

約数和(自身を含む): 128359440

約数和(自身を除く): 72609080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32413, 64826, 129652, 162065, 259304, 324130, 648260, 1296520, 1393759, 2787518, 5575036, 6968795, 11150072, 13937590, 27875180, 55750360]

約数ペア:

[(1, 55750360), (2, 27875180), (4, 13937590), (5, 11150072), (8, 6968795), (10, 5575036), (20, 2787518), (40, 1393759), (43, 1296520), (86, 648260), (172, 324130), (215, 259304), (344, 162065), (430, 129652), (860, 64826), (1720, 32413)]