80742340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576731}}^1$

素因数の和:576747

約数の個数: 24

約数和(自身を含む): 193781952

約数和(自身を除く): 113039612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576731, 1153462, 2306924, 2883655, 4037117, 5767310, 8074234, 11534620, 16148468, 20185585, 40371170, 80742340]

約数ペア:

[(1, 80742340), (2, 40371170), (4, 20185585), (5, 16148468), (7, 11534620), (10, 8074234), (14, 5767310), (20, 4037117), (28, 2883655), (35, 2306924), (70, 1153462), (140, 576731)]