90262520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{132739}}^1$

素因数の和:132767

約数の個数: 32

約数和(自身を含む): 215038800

約数和(自身を除く): 124776280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 132739, 265478, 530956, 663695, 1061912, 1327390, 2256563, 2654780, 4513126, 5309560, 9026252, 11282815, 18052504, 22565630, 45131260, 90262520]

約数ペア:

[(1, 90262520), (2, 45131260), (4, 22565630), (5, 18052504), (8, 11282815), (10, 9026252), (17, 5309560), (20, 4513126), (34, 2654780), (40, 2256563), (68, 1327390), (85, 1061912), (136, 663695), (170, 530956), (340, 265478), (680, 132739)]