77283280

素因数分解:

$2^4\times 5^1\times {\mathrm{966041}}^1$

素因数の和:966054

約数の個数: 20

約数和(自身を含む): 179683812

約数和(自身を除く): 102400532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 966041, 1932082, 3864164, 4830205, 7728328, 9660410, 15456656, 19320820, 38641640, 77283280]

約数ペア:

[(1, 77283280), (2, 38641640), (4, 19320820), (5, 15456656), (8, 9660410), (10, 7728328), (16, 4830205), (20, 3864164), (40, 1932082), (80, 966041)]