39628880

素因数分解:

$2^4\times 5^1\times {\mathrm{495361}}^1$

素因数の和:495374

約数の個数: 20

約数和(自身を含む): 92137332

約数和(自身を除く): 52508452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495361, 990722, 1981444, 2476805, 3962888, 4953610, 7925776, 9907220, 19814440, 39628880]

約数ペア:

[(1, 39628880), (2, 19814440), (4, 9907220), (5, 7925776), (8, 4953610), (10, 3962888), (16, 2476805), (20, 1981444), (40, 990722), (80, 495361)]