80428360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118277}}^1$

素因数の和:118305

約数の個数: 32

約数和(自身を含む): 191610360

約数和(自身を除く): 111182000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118277, 236554, 473108, 591385, 946216, 1182770, 2010709, 2365540, 4021418, 4731080, 8042836, 10053545, 16085672, 20107090, 40214180, 80428360]

約数ペア:

[(1, 80428360), (2, 40214180), (4, 20107090), (5, 16085672), (8, 10053545), (10, 8042836), (17, 4731080), (20, 4021418), (34, 2365540), (40, 2010709), (68, 1182770), (85, 946216), (136, 591385), (170, 473108), (340, 236554), (680, 118277)]