39241520

素因数分解:

$2^4\times 5^1\times {\mathrm{490519}}^1$

素因数の和:490532

約数の個数: 20

約数和(自身を含む): 91236720

約数和(自身を除く): 51995200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490519, 981038, 1962076, 2452595, 3924152, 4905190, 7848304, 9810380, 19620760, 39241520]

約数ペア:

[(1, 39241520), (2, 19620760), (4, 9810380), (5, 7848304), (8, 4905190), (10, 3924152), (16, 2452595), (20, 1962076), (40, 981038), (80, 490519)]