39897080

素因数分解:

$2^3\times 5^1\times {\mathrm{997427}}^1$

素因数の和:997438

約数の個数: 16

約数和(自身を含む): 89768520

約数和(自身を除く): 49871440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997427, 1994854, 3989708, 4987135, 7979416, 9974270, 19948540, 39897080]

約数ペア:

[(1, 39897080), (2, 19948540), (4, 9974270), (5, 7979416), (8, 4987135), (10, 3989708), (20, 1994854), (40, 997427)]