205725260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{791251}}^1$

素因数の和:791273

約数の個数: 24

約数和(自身を含む): 465256176

約数和(自身を除く): 259530916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 791251, 1582502, 3165004, 3956255, 7912510, 10286263, 15825020, 20572526, 41145052, 51431315, 102862630, 205725260]

約数ペア:

[(1, 205725260), (2, 102862630), (4, 51431315), (5, 41145052), (10, 20572526), (13, 15825020), (20, 10286263), (26, 7912510), (52, 3956255), (65, 3165004), (130, 1582502), (260, 791251)]