55221880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197221}}^1$

素因数の和:197239

約数の個数: 32

約数和(自身を含む): 141999840

約数和(自身を除く): 86777960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197221, 394442, 788884, 986105, 1380547, 1577768, 1972210, 2761094, 3944420, 5522188, 6902735, 7888840, 11044376, 13805470, 27610940, 55221880]

約数ペア:

[(1, 55221880), (2, 27610940), (4, 13805470), (5, 11044376), (7, 7888840), (8, 6902735), (10, 5522188), (14, 3944420), (20, 2761094), (28, 1972210), (35, 1577768), (40, 1380547), (56, 986105), (70, 788884), (140, 394442), (280, 197221)]