66435280

素因数分解:

$2^4\times 5^1\times {\mathrm{830441}}^1$

素因数の和:830454

約数の個数: 20

約数和(自身を含む): 154462212

約数和(自身を除く): 88026932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830441, 1660882, 3321764, 4152205, 6643528, 8304410, 13287056, 16608820, 33217640, 66435280]

約数ペア:

[(1, 66435280), (2, 33217640), (4, 16608820), (5, 13287056), (8, 8304410), (10, 6643528), (16, 4152205), (20, 3321764), (40, 1660882), (80, 830441)]