11641840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20789}}^1$

素因数の和:20809

約数の個数: 40

約数和(自身を含む): 30935520

約数和(自身を除く): 19293680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20789, 41578, 83156, 103945, 145523, 166312, 207890, 291046, 332624, 415780, 582092, 727615, 831560, 1164184, 1455230, 1663120, 2328368, 2910460, 5820920, 11641840]

約数ペア:

[(1, 11641840), (2, 5820920), (4, 2910460), (5, 2328368), (7, 1663120), (8, 1455230), (10, 1164184), (14, 831560), (16, 727615), (20, 582092), (28, 415780), (35, 332624), (40, 291046), (56, 207890), (70, 166312), (80, 145523), (112, 103945), (140, 83156), (280, 41578), (560, 20789)]