39140560

素因数分解:

$2^4\times 5^1\times {\mathrm{489257}}^1$

素因数の和:489270

約数の個数: 20

約数和(自身を含む): 91001988

約数和(自身を除く): 51861428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489257, 978514, 1957028, 2446285, 3914056, 4892570, 7828112, 9785140, 19570280, 39140560]

約数ペア:

[(1, 39140560), (2, 19570280), (4, 9785140), (5, 7828112), (8, 4892570), (10, 3914056), (16, 2446285), (20, 1957028), (40, 978514), (80, 489257)]