206404090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{261271}}^1$

素因数の和:261357

約数の個数: 16

約数和(自身を含む): 376231680

約数和(自身を除く): 169827590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 261271, 522542, 1306355, 2612710, 20640409, 41280818, 103202045, 206404090]

約数ペア:

[(1, 206404090), (2, 103202045), (5, 41280818), (10, 20640409), (79, 2612710), (158, 1306355), (395, 522542), (790, 261271)]