90723560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133417}}^1$

素因数の和:133445

約数の個数: 32

約数和(自身を含む): 216137160

約数和(自身を除く): 125413600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133417, 266834, 533668, 667085, 1067336, 1334170, 2268089, 2668340, 4536178, 5336680, 9072356, 11340445, 18144712, 22680890, 45361780, 90723560]

約数ペア:

[(1, 90723560), (2, 45361780), (4, 22680890), (5, 18144712), (8, 11340445), (10, 9072356), (17, 5336680), (20, 4536178), (34, 2668340), (40, 2268089), (68, 1334170), (85, 1067336), (136, 667085), (170, 533668), (340, 266834), (680, 133417)]