68809040

素因数分解:

$2^4\times 5^1\times {\mathrm{860113}}^1$

素因数の和:860126

約数の個数: 20

約数和(自身を含む): 159981204

約数和(自身を除く): 91172164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860113, 1720226, 3440452, 4300565, 6880904, 8601130, 13761808, 17202260, 34404520, 68809040]

約数ペア:

[(1, 68809040), (2, 34404520), (4, 17202260), (5, 13761808), (8, 8601130), (10, 6880904), (16, 4300565), (20, 3440452), (40, 1720226), (80, 860113)]