15320720

素因数分解:

$2^4\times 5^1\times {\mathrm{191509}}^1$

素因数の和:191522

約数の個数: 20

約数和(自身を含む): 35620860

約数和(自身を除く): 20300140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191509, 383018, 766036, 957545, 1532072, 1915090, 3064144, 3830180, 7660360, 15320720]

約数ペア:

[(1, 15320720), (2, 7660360), (4, 3830180), (5, 3064144), (8, 1915090), (10, 1532072), (16, 957545), (20, 766036), (40, 383018), (80, 191509)]