55089920

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 133236096

約数和(自身を除く): 78146176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 223, 256, 320, 386, 446, 640, 772, 892, 965, 1115, 1280, 1544, 1784, 1930, 2230, 3088, 3568, 3860, 4460, 6176, 7136, 7720, 8920, 12352, 14272, 15440, 17840, 24704, 28544, 30880, 35680, 43039, 49408, 57088, 61760, 71360, 86078, 123520, 142720, 172156, 215195, 247040, 285440, 344312, 430390, 688624, 860780, 1377248, 1721560, 2754496, 3443120, 5508992, 6886240, 11017984, 13772480, 27544960, 55089920]

約数ペア:

[(1, 55089920), (2, 27544960), (4, 13772480), (5, 11017984), (8, 6886240), (10, 5508992), (16, 3443120), (20, 2754496), (32, 1721560), (40, 1377248), (64, 860780), (80, 688624), (128, 430390), (160, 344312), (193, 285440), (223, 247040), (256, 215195), (320, 172156), (386, 142720), (446, 123520), (640, 86078), (772, 71360), (892, 61760), (965, 57088), (1115, 49408), (1280, 43039), (1544, 35680), (1784, 30880), (1930, 28544), (2230, 24704), (3088, 17840), (3568, 15440), (3860, 14272), (4460, 12352), (6176, 8920), (7136, 7720)]