27976840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9851}}^1$

素因数の和:9933

約数の個数: 32

約数和(自身を含む): 63840960

約数和(自身を除く): 35864120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9851, 19702, 39404, 49255, 78808, 98510, 197020, 394040, 699421, 1398842, 2797684, 3497105, 5595368, 6994210, 13988420, 27976840]

約数ペア:

[(1, 27976840), (2, 13988420), (4, 6994210), (5, 5595368), (8, 3497105), (10, 2797684), (20, 1398842), (40, 699421), (71, 394040), (142, 197020), (284, 98510), (355, 78808), (568, 49255), (710, 39404), (1420, 19702), (2840, 9851)]