39208880

素因数分解:

$2^4\times 5^1\times {\mathrm{490111}}^1$

素因数の和:490124

約数の個数: 20

約数和(自身を含む): 91160832

約数和(自身を除く): 51951952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490111, 980222, 1960444, 2450555, 3920888, 4901110, 7841776, 9802220, 19604440, 39208880]

約数ペア:

[(1, 39208880), (2, 19604440), (4, 9802220), (5, 7841776), (8, 4901110), (10, 3920888), (16, 2450555), (20, 1960444), (40, 980222), (80, 490111)]