90790520

素因数分解:

$2^3\times 5^1\times {\mathrm{2269763}}^1$

素因数の和:2269774

約数の個数: 16

約数和(自身を含む): 204278760

約数和(自身を除く): 113488240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269763, 4539526, 9079052, 11348815, 18158104, 22697630, 45395260, 90790520]

約数ペア:

[(1, 90790520), (2, 45395260), (4, 22697630), (5, 18158104), (8, 11348815), (10, 9079052), (20, 4539526), (40, 2269763)]