20161218010

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4490249}}^1$

素因数の和:4490705

約数の個数: 16

約数和(自身を含む): 36371025000

約数和(自身を除く): 16209806990

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 4490249, 8980498, 22451245, 44902490, 2016121801, 4032243602, 10080609005, 20161218010]

約数ペア:

[(1, 20161218010), (2, 10080609005), (5, 4032243602), (10, 2016121801), (449, 44902490), (898, 22451245), (2245, 8980498), (4490, 4490249)]