66465980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474757}}^1$

素因数の和:474773

約数の個数: 24

約数和(自身を含む): 159518688

約数和(自身を除く): 93052708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474757, 949514, 1899028, 2373785, 3323299, 4747570, 6646598, 9495140, 13293196, 16616495, 33232990, 66465980]

約数ペア:

[(1, 66465980), (2, 33232990), (4, 16616495), (5, 13293196), (7, 9495140), (10, 6646598), (14, 4747570), (20, 3323299), (28, 2373785), (35, 1899028), (70, 949514), (140, 474757)]