27801080

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{857}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 62702640

約数和(自身を除く): 34901560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 857, 1622, 1714, 3244, 3428, 4055, 4285, 6488, 6856, 8110, 8570, 16220, 17140, 32440, 34280, 695027, 1390054, 2780108, 3475135, 5560216, 6950270, 13900540, 27801080]

約数ペア:

[(1, 27801080), (2, 13900540), (4, 6950270), (5, 5560216), (8, 3475135), (10, 2780108), (20, 1390054), (40, 695027), (811, 34280), (857, 32440), (1622, 17140), (1714, 16220), (3244, 8570), (3428, 8110), (4055, 6856), (4285, 6488)]