39038320

素因数分解:

$2^4\times 5^1\times {\mathrm{487979}}^1$

素因数の和:487992

約数の個数: 20

約数和(自身を含む): 90764280

約数和(自身を除く): 51725960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487979, 975958, 1951916, 2439895, 3903832, 4879790, 7807664, 9759580, 19519160, 39038320]

約数ペア:

[(1, 39038320), (2, 19519160), (4, 9759580), (5, 7807664), (8, 4879790), (10, 3903832), (16, 2439895), (20, 1951916), (40, 975958), (80, 487979)]