66795280

素因数分解:

$2^4\times 5^1\times {\mathrm{834941}}^1$

素因数の和:834954

約数の個数: 20

約数和(自身を含む): 155299212

約数和(自身を除く): 88503932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834941, 1669882, 3339764, 4174705, 6679528, 8349410, 13359056, 16698820, 33397640, 66795280]

約数ペア:

[(1, 66795280), (2, 33397640), (4, 16698820), (5, 13359056), (8, 8349410), (10, 6679528), (16, 4174705), (20, 3339764), (40, 1669882), (80, 834941)]