71526440

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2657}}^1$

素因数の和:3341

約数の個数: 32

約数和(自身を含む): 161234280

約数和(自身を除く): 89707840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2657, 2692, 3365, 5314, 5384, 6730, 10628, 13285, 13460, 21256, 26570, 26920, 53140, 106280, 1788161, 3576322, 7152644, 8940805, 14305288, 17881610, 35763220, 71526440]

約数ペア:

[(1, 71526440), (2, 35763220), (4, 17881610), (5, 14305288), (8, 8940805), (10, 7152644), (20, 3576322), (40, 1788161), (673, 106280), (1346, 53140), (2657, 26920), (2692, 26570), (3365, 21256), (5314, 13460), (5384, 13285), (6730, 10628)]