56570920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 146188800

約数和(自身を除く): 89617880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 719, 1124, 1405, 1438, 1967, 2248, 2810, 2876, 3595, 3934, 5033, 5620, 5752, 7190, 7868, 9835, 10066, 11240, 14380, 15736, 19670, 20132, 25165, 28760, 39340, 40264, 50330, 78680, 100660, 201320, 202039, 404078, 808156, 1010195, 1414273, 1616312, 2020390, 2828546, 4040780, 5657092, 7071365, 8081560, 11314184, 14142730, 28285460, 56570920]

約数ペア:

[(1, 56570920), (2, 28285460), (4, 14142730), (5, 11314184), (7, 8081560), (8, 7071365), (10, 5657092), (14, 4040780), (20, 2828546), (28, 2020390), (35, 1616312), (40, 1414273), (56, 1010195), (70, 808156), (140, 404078), (280, 202039), (281, 201320), (562, 100660), (719, 78680), (1124, 50330), (1405, 40264), (1438, 39340), (1967, 28760), (2248, 25165), (2810, 20132), (2876, 19670), (3595, 15736), (3934, 14380), (5033, 11240), (5620, 10066), (5752, 9835), (7190, 7868)]