38990960

素因数分解:

$2^4\times 5^1\times {\mathrm{487387}}^1$

素因数の和:487400

約数の個数: 20

約数和(自身を含む): 90654168

約数和(自身を除く): 51663208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487387, 974774, 1949548, 2436935, 3899096, 4873870, 7798192, 9747740, 19495480, 38990960]

約数ペア:

[(1, 38990960), (2, 19495480), (4, 9747740), (5, 7798192), (8, 4873870), (10, 3899096), (16, 2436935), (20, 1949548), (40, 974774), (80, 487387)]