3160720

素因数分解:

$2^4\times 5^1\times {\mathrm{39509}}^1$

素因数の和:39522

約数の個数: 20

約数和(自身を含む): 7348860

約数和(自身を除く): 4188140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 39509, 79018, 158036, 197545, 316072, 395090, 632144, 790180, 1580360, 3160720]

約数ペア:

[(1, 3160720), (2, 1580360), (4, 790180), (5, 632144), (8, 395090), (10, 316072), (16, 197545), (20, 158036), (40, 79018), (80, 39509)]