65368880

素因数分解:

$2^4\times 5^1\times {\mathrm{817111}}^1$

素因数の和:817124

約数の個数: 20

約数和(自身を含む): 151982832

約数和(自身を除く): 86613952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 817111, 1634222, 3268444, 4085555, 6536888, 8171110, 13073776, 16342220, 32684440, 65368880]

約数ペア:

[(1, 65368880), (2, 32684440), (4, 16342220), (5, 13073776), (8, 8171110), (10, 6536888), (16, 4085555), (20, 3268444), (40, 1634222), (80, 817111)]