11818520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42209}}^1$

素因数の和:42227

約数の個数: 32

約数和(自身を含む): 30391200

約数和(自身を除く): 18572680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42209, 84418, 168836, 211045, 295463, 337672, 422090, 590926, 844180, 1181852, 1477315, 1688360, 2363704, 2954630, 5909260, 11818520]

約数ペア:

[(1, 11818520), (2, 5909260), (4, 2954630), (5, 2363704), (7, 1688360), (8, 1477315), (10, 1181852), (14, 844180), (20, 590926), (28, 422090), (35, 337672), (40, 295463), (56, 211045), (70, 168836), (140, 84418), (280, 42209)]