8409020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22129}}^1$

素因数の和:22157

約数の個数: 24

約数和(自身を含む): 18589200

約数和(自身を除く): 10180180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22129, 44258, 88516, 110645, 221290, 420451, 442580, 840902, 1681804, 2102255, 4204510, 8409020]

約数ペア:

[(1, 8409020), (2, 4204510), (4, 2102255), (5, 1681804), (10, 840902), (19, 442580), (20, 420451), (38, 221290), (76, 110645), (95, 88516), (190, 44258), (380, 22129)]