30640040

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2273}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 69175080

約数和(自身を除く): 38535040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2273, 2696, 3370, 4546, 6740, 9092, 11365, 13480, 18184, 22730, 45460, 90920, 766001, 1532002, 3064004, 3830005, 6128008, 7660010, 15320020, 30640040]

約数ペア:

[(1, 30640040), (2, 15320020), (4, 7660010), (5, 6128008), (8, 3830005), (10, 3064004), (20, 1532002), (40, 766001), (337, 90920), (674, 45460), (1348, 22730), (1685, 18184), (2273, 13480), (2696, 11365), (3370, 9092), (4546, 6740)]