66292540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{37243}}^1$

素因数の和:37341

約数の個数: 24

約数和(自身を含む): 140782320

約数和(自身を除く): 74489780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 37243, 74486, 148972, 186215, 372430, 744860, 3314627, 6629254, 13258508, 16573135, 33146270, 66292540]

約数ペア:

[(1, 66292540), (2, 33146270), (4, 16573135), (5, 13258508), (10, 6629254), (20, 3314627), (89, 744860), (178, 372430), (356, 186215), (445, 148972), (890, 74486), (1780, 37243)]