28760720

素因数分解:

$2^4\times 5^1\times {\mathrm{359509}}^1$

素因数の和:359522

約数の個数: 20

約数和(自身を含む): 66868860

約数和(自身を除く): 38108140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359509, 719018, 1438036, 1797545, 2876072, 3595090, 5752144, 7190180, 14380360, 28760720]

約数ペア:

[(1, 28760720), (2, 14380360), (4, 7190180), (5, 5752144), (8, 3595090), (10, 2876072), (16, 1797545), (20, 1438036), (40, 719018), (80, 359509)]