401064880

素因数分解:

$2^4\times 5^1\times {\mathrm{5013311}}^1$

素因数の和:5013324

約数の個数: 20

約数和(自身を含む): 932476032

約数和(自身を除く): 531411152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5013311, 10026622, 20053244, 25066555, 40106488, 50133110, 80212976, 100266220, 200532440, 401064880]

約数ペア:

[(1, 401064880), (2, 200532440), (4, 100266220), (5, 80212976), (8, 50133110), (10, 40106488), (16, 25066555), (20, 20053244), (40, 10026622), (80, 5013311)]