55489040

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1811}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 129420288

約数和(自身を除く): 73931248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1811, 1915, 3064, 3622, 3830, 6128, 7244, 7660, 9055, 14488, 15320, 18110, 28976, 30640, 36220, 72440, 144880, 693613, 1387226, 2774452, 3468065, 5548904, 6936130, 11097808, 13872260, 27744520, 55489040]

約数ペア:

[(1, 55489040), (2, 27744520), (4, 13872260), (5, 11097808), (8, 6936130), (10, 5548904), (16, 3468065), (20, 2774452), (40, 1387226), (80, 693613), (383, 144880), (766, 72440), (1532, 36220), (1811, 30640), (1915, 28976), (3064, 18110), (3622, 15320), (3830, 14488), (6128, 9055), (7244, 7660)]