28873010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{26489}}^1$

素因数の和:26605

約数の個数: 16

約数和(自身を含む): 52450200

約数和(自身を除く): 23577190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 26489, 52978, 132445, 264890, 2887301, 5774602, 14436505, 28873010]

約数ペア:

[(1, 28873010), (2, 14436505), (5, 5774602), (10, 2887301), (109, 264890), (218, 132445), (545, 52978), (1090, 26489)]