80244620

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{5659}}^1$

素因数の和:6377

約数の個数: 24

約数和(自身を含む): 168781200

約数和(自身を除く): 88536580

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 5659, 7090, 11318, 14180, 22636, 28295, 56590, 113180, 4012231, 8024462, 16048924, 20061155, 40122310, 80244620]

約数ペア:

[(1, 80244620), (2, 40122310), (4, 20061155), (5, 16048924), (10, 8024462), (20, 4012231), (709, 113180), (1418, 56590), (2836, 28295), (3545, 22636), (5659, 14180), (7090, 11318)]