80194640

素因数分解:

$2^4\times 5^1\times {\mathrm{1002433}}^1$

素因数の和:1002446

約数の個数: 20

約数和(自身を含む): 186452724

約数和(自身を除く): 106258084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002433, 2004866, 4009732, 5012165, 8019464, 10024330, 16038928, 20048660, 40097320, 80194640]

約数ペア:

[(1, 80194640), (2, 40097320), (4, 20048660), (5, 16038928), (8, 10024330), (10, 8019464), (16, 5012165), (20, 4009732), (40, 2004866), (80, 1002433)]