9458920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 21529800

約数和(自身を除く): 12070880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2657, 3560, 5314, 10628, 13285, 21256, 26570, 53140, 106280, 236473, 472946, 945892, 1182365, 1891784, 2364730, 4729460, 9458920]

約数ペア:

[(1, 9458920), (2, 4729460), (4, 2364730), (5, 1891784), (8, 1182365), (10, 945892), (20, 472946), (40, 236473), (89, 106280), (178, 53140), (356, 26570), (445, 21256), (712, 13285), (890, 10628), (1780, 5314), (2657, 3560)]