4008880

素因数分解:

$2^4\times 5^1\times {\mathrm{50111}}^1$

素因数の和:50124

約数の個数: 20

約数和(自身を含む): 9320832

約数和(自身を除く): 5311952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50111, 100222, 200444, 250555, 400888, 501110, 801776, 1002220, 2004440, 4008880]

約数ペア:

[(1, 4008880), (2, 2004440), (4, 1002220), (5, 801776), (8, 501110), (10, 400888), (16, 250555), (20, 200444), (40, 100222), (80, 50111)]