80840840

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1523}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 182148480

約数和(自身を除く): 101307640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 1523, 2654, 3046, 5308, 6092, 6635, 7615, 10616, 12184, 13270, 15230, 26540, 30460, 53080, 60920, 2021021, 4042042, 8084084, 10105105, 16168168, 20210210, 40420420, 80840840]

約数ペア:

[(1, 80840840), (2, 40420420), (4, 20210210), (5, 16168168), (8, 10105105), (10, 8084084), (20, 4042042), (40, 2021021), (1327, 60920), (1523, 53080), (2654, 30460), (3046, 26540), (5308, 15230), (6092, 13270), (6635, 12184), (7615, 10616)]