66535760

素因数分解:

$2^4\times 5^1\times {\mathrm{831697}}^1$

素因数の和:831710

約数の個数: 20

約数和(自身を含む): 154695828

約数和(自身を除く): 88160068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 831697, 1663394, 3326788, 4158485, 6653576, 8316970, 13307152, 16633940, 33267880, 66535760]

約数ペア:

[(1, 66535760), (2, 33267880), (4, 16633940), (5, 13307152), (8, 8316970), (10, 6653576), (16, 4158485), (20, 3326788), (40, 1663394), (80, 831697)]