123537160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43499}}^1$

素因数の和:43581

約数の個数: 32

約数和(自身を含む): 281880000

約数和(自身を除く): 158342840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 43499, 86998, 173996, 217495, 347992, 434990, 869980, 1739960, 3088429, 6176858, 12353716, 15442145, 24707432, 30884290, 61768580, 123537160]

約数ペア:

[(1, 123537160), (2, 61768580), (4, 30884290), (5, 24707432), (8, 15442145), (10, 12353716), (20, 6176858), (40, 3088429), (71, 1739960), (142, 869980), (284, 434990), (355, 347992), (568, 217495), (710, 173996), (1420, 86998), (2840, 43499)]