80976860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213097}}^1$

素因数の和:213125

約数の個数: 24

約数和(自身を含む): 179002320

約数和(自身を除く): 98025460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 213097, 426194, 852388, 1065485, 2130970, 4048843, 4261940, 8097686, 16195372, 20244215, 40488430, 80976860]

約数ペア:

[(1, 80976860), (2, 40488430), (4, 20244215), (5, 16195372), (10, 8097686), (19, 4261940), (20, 4048843), (38, 2130970), (76, 1065485), (95, 852388), (190, 426194), (380, 213097)]