1660642160

素因数分解:

$2^4\times 5^1\times {\mathrm{20758027}}^1$

素因数の和:20758040

約数の個数: 20

約数和(自身を含む): 3860993208

約数和(自身を除く): 2200351048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20758027, 41516054, 83032108, 103790135, 166064216, 207580270, 332128432, 415160540, 830321080, 1660642160]

約数ペア:

[(1, 1660642160), (2, 830321080), (4, 415160540), (5, 332128432), (8, 207580270), (10, 166064216), (16, 103790135), (20, 83032108), (40, 41516054), (80, 20758027)]