12288920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43889}}^1$

素因数の和:43907

約数の個数: 32

約数和(自身を含む): 31600800

約数和(自身を除く): 19311880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43889, 87778, 175556, 219445, 307223, 351112, 438890, 614446, 877780, 1228892, 1536115, 1755560, 2457784, 3072230, 6144460, 12288920]

約数ペア:

[(1, 12288920), (2, 6144460), (4, 3072230), (5, 2457784), (7, 1755560), (8, 1536115), (10, 1228892), (14, 877780), (20, 614446), (28, 438890), (35, 351112), (40, 307223), (56, 219445), (70, 175556), (140, 87778), (280, 43889)]