86517790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 161390880

約数和(自身を除く): 74873090

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 2371, 3649, 4742, 7298, 11855, 18245, 23710, 36490, 97211, 194422, 211019, 422038, 486055, 972110, 1055095, 2110190, 8651779, 17303558, 43258895, 86517790]

約数ペア:

[(1, 86517790), (2, 43258895), (5, 17303558), (10, 8651779), (41, 2110190), (82, 1055095), (89, 972110), (178, 486055), (205, 422038), (410, 211019), (445, 194422), (890, 97211), (2371, 36490), (3649, 23710), (4742, 18245), (7298, 11855)]