1816840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 4169880

約数和(自身を除く): 2353040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 857, 1060, 1714, 2120, 3428, 4285, 6856, 8570, 17140, 34280, 45421, 90842, 181684, 227105, 363368, 454210, 908420, 1816840]

約数ペア:

[(1, 1816840), (2, 908420), (4, 454210), (5, 363368), (8, 227105), (10, 181684), (20, 90842), (40, 45421), (53, 34280), (106, 17140), (212, 8570), (265, 6856), (424, 4285), (530, 3428), (857, 2120), (1060, 1714)]