80956070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47903}}^1$

素因数の和:47936

約数の個数: 24

約数和(自身を含む): 157795776

約数和(自身を除く): 76839706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 47903, 95806, 239515, 479030, 622739, 1245478, 3113695, 6227390, 8095607, 16191214, 40478035, 80956070]

約数ペア:

[(1, 80956070), (2, 40478035), (5, 16191214), (10, 8095607), (13, 6227390), (26, 3113695), (65, 1245478), (130, 622739), (169, 479030), (338, 239515), (845, 95806), (1690, 47903)]