8645140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61751}}^1$

素因数の和:61767

約数の個数: 24

約数和(自身を含む): 20748672

約数和(自身を除く): 12103532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61751, 123502, 247004, 308755, 432257, 617510, 864514, 1235020, 1729028, 2161285, 4322570, 8645140]

約数ペア:

[(1, 8645140), (2, 4322570), (4, 2161285), (5, 1729028), (7, 1235020), (10, 864514), (14, 617510), (20, 432257), (28, 308755), (35, 247004), (70, 123502), (140, 61751)]