512120720

素因数分解:

$2^4\times 5^1\times {\mathrm{6401509}}^1$

素因数の和:6401522

約数の個数: 20

約数和(自身を含む): 1190680860

約数和(自身を除く): 678560140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6401509, 12803018, 25606036, 32007545, 51212072, 64015090, 102424144, 128030180, 256060360, 512120720]

約数ペア:

[(1, 512120720), (2, 256060360), (4, 128030180), (5, 102424144), (8, 64015090), (10, 51212072), (16, 32007545), (20, 25606036), (40, 12803018), (80, 6401509)]