39192880

素因数分解:

$2^4\times 5^1\times {\mathrm{489911}}^1$

素因数の和:489924

約数の個数: 20

約数和(自身を含む): 91123632

約数和(自身を除く): 51930752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489911, 979822, 1959644, 2449555, 3919288, 4899110, 7838576, 9798220, 19596440, 39192880]

約数ペア:

[(1, 39192880), (2, 19596440), (4, 9798220), (5, 7838576), (8, 4899110), (10, 3919288), (16, 2449555), (20, 1959644), (40, 979822), (80, 489911)]