87091790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{212419}}^1$

素因数の和:212467

約数の個数: 16

約数和(自身を含む): 160589520

約数和(自身を除く): 73497730

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 212419, 424838, 1062095, 2124190, 8709179, 17418358, 43545895, 87091790]

約数ペア:

[(1, 87091790), (2, 43545895), (5, 17418358), (10, 8709179), (41, 2124190), (82, 1062095), (205, 424838), (410, 212419)]