263945090

素因数分解:

$2^1\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{20011}}^1$

素因数の和:21337

約数の個数: 16

約数和(自身を含む): 475485120

約数和(自身を除く): 211540030

約数列:

[1, 2, 5, 10, 1319, 2638, 6595, 13190, 20011, 40022, 100055, 200110, 26394509, 52789018, 131972545, 263945090]

約数ペア:

[(1, 263945090), (2, 131972545), (5, 52789018), (10, 26394509), (1319, 200110), (2638, 100055), (6595, 40022), (13190, 20011)]