87179620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1777}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 200729088

約数和(自身を除く): 113549468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 1777, 2230, 2453, 3554, 4460, 4906, 7108, 8885, 9812, 12265, 17770, 19547, 24530, 35540, 39094, 49060, 78188, 97735, 195470, 390940, 396271, 792542, 1585084, 1981355, 3962710, 4358981, 7925420, 8717962, 17435924, 21794905, 43589810, 87179620]

約数ペア:

[(1, 87179620), (2, 43589810), (4, 21794905), (5, 17435924), (10, 8717962), (11, 7925420), (20, 4358981), (22, 3962710), (44, 1981355), (55, 1585084), (110, 792542), (220, 396271), (223, 390940), (446, 195470), (892, 97735), (1115, 78188), (1777, 49060), (2230, 39094), (2453, 35540), (3554, 24530), (4460, 19547), (4906, 17770), (7108, 12265), (8885, 9812)]