38994320

素因数分解:

$2^4\times 5^1\times {\mathrm{487429}}^1$

素因数の和:487442

約数の個数: 20

約数和(自身を含む): 90661980

約数和(自身を除く): 51667660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487429, 974858, 1949716, 2437145, 3899432, 4874290, 7798864, 9748580, 19497160, 38994320]

約数ペア:

[(1, 38994320), (2, 19497160), (4, 9748580), (5, 7798864), (8, 4874290), (10, 3899432), (16, 2437145), (20, 1949716), (40, 974858), (80, 487429)]