77676880

素因数分解:

$2^4\times 5^1\times {\mathrm{970961}}^1$

素因数の和:970974

約数の個数: 20

約数和(自身を含む): 180598932

約数和(自身を除く): 102922052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 970961, 1941922, 3883844, 4854805, 7767688, 9709610, 15535376, 19419220, 38838440, 77676880]

約数ペア:

[(1, 77676880), (2, 38838440), (4, 19419220), (5, 15535376), (8, 9709610), (10, 7767688), (16, 4854805), (20, 3883844), (40, 1941922), (80, 970961)]