56720

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 132060

約数和(自身を除く): 75340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 1418, 2836, 3545, 5672, 7090, 11344, 14180, 28360, 56720]

約数ペア:

[(1, 56720), (2, 28360), (4, 14180), (5, 11344), (8, 7090), (10, 5672), (16, 3545), (20, 2836), (40, 1418), (80, 709)]