76720720

素因数分解:

$2^4\times 5^1\times {\mathrm{959009}}^1$

素因数の和:959022

約数の個数: 20

約数和(自身を含む): 178375860

約数和(自身を除く): 101655140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 959009, 1918018, 3836036, 4795045, 7672072, 9590090, 15344144, 19180180, 38360360, 76720720]

約数ペア:

[(1, 76720720), (2, 38360360), (4, 19180180), (5, 15344144), (8, 9590090), (10, 7672072), (16, 4795045), (20, 3836036), (40, 1918018), (80, 959009)]