28281010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28001}}^1$

素因数の和:28109

約数の個数: 16

約数和(自身を含む): 51411672

約数和(自身を除く): 23130662

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 28001, 56002, 140005, 280010, 2828101, 5656202, 14140505, 28281010]

約数ペア:

[(1, 28281010), (2, 14140505), (5, 5656202), (10, 2828101), (101, 280010), (202, 140005), (505, 56002), (1010, 28001)]