56671580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 136442880

約数和(自身を除く): 79771300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 719, 1126, 1438, 2252, 2815, 2876, 3595, 3941, 5033, 5630, 7190, 7882, 10066, 11260, 14380, 15764, 19705, 20132, 25165, 39410, 50330, 78820, 100660, 404797, 809594, 1619188, 2023985, 2833579, 4047970, 5667158, 8095940, 11334316, 14167895, 28335790, 56671580]

約数ペア:

[(1, 56671580), (2, 28335790), (4, 14167895), (5, 11334316), (7, 8095940), (10, 5667158), (14, 4047970), (20, 2833579), (28, 2023985), (35, 1619188), (70, 809594), (140, 404797), (563, 100660), (719, 78820), (1126, 50330), (1438, 39410), (2252, 25165), (2815, 20132), (2876, 19705), (3595, 15764), (3941, 14380), (5033, 11260), (5630, 10066), (7190, 7882)]