2091080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 4787640

約数和(自身を除く): 2696560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 857, 1220, 1714, 2440, 3428, 4285, 6856, 8570, 17140, 34280, 52277, 104554, 209108, 261385, 418216, 522770, 1045540, 2091080]

約数ペア:

[(1, 2091080), (2, 1045540), (4, 522770), (5, 418216), (8, 261385), (10, 209108), (20, 104554), (40, 52277), (61, 34280), (122, 17140), (244, 8570), (305, 6856), (488, 4285), (610, 3428), (857, 2440), (1220, 1714)]