66576860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475549}}^1$

素因数の和:475565

約数の個数: 24

約数和(自身を含む): 159784800

約数和(自身を除く): 93207940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475549, 951098, 1902196, 2377745, 3328843, 4755490, 6657686, 9510980, 13315372, 16644215, 33288430, 66576860]

約数ペア:

[(1, 66576860), (2, 33288430), (4, 16644215), (5, 13315372), (7, 9510980), (10, 6657686), (14, 4755490), (20, 3328843), (28, 2377745), (35, 1902196), (70, 951098), (140, 475549)]