12729440

素因数分解:

$2^5\times 5^1\times {\mathrm{79559}}^1$

素因数の和:79574

約数の個数: 24

約数和(自身を含む): 30073680

約数和(自身を除く): 17344240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79559, 159118, 318236, 397795, 636472, 795590, 1272944, 1591180, 2545888, 3182360, 6364720, 12729440]

約数ペア:

[(1, 12729440), (2, 6364720), (4, 3182360), (5, 2545888), (8, 1591180), (10, 1272944), (16, 795590), (20, 636472), (32, 397795), (40, 318236), (80, 159118), (160, 79559)]