56231680

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 135983232

約数和(自身を除く): 79751552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 223, 256, 320, 394, 446, 640, 788, 892, 985, 1115, 1280, 1576, 1784, 1970, 2230, 3152, 3568, 3940, 4460, 6304, 7136, 7880, 8920, 12608, 14272, 15760, 17840, 25216, 28544, 31520, 35680, 43931, 50432, 57088, 63040, 71360, 87862, 126080, 142720, 175724, 219655, 252160, 285440, 351448, 439310, 702896, 878620, 1405792, 1757240, 2811584, 3514480, 5623168, 7028960, 11246336, 14057920, 28115840, 56231680]

約数ペア:

[(1, 56231680), (2, 28115840), (4, 14057920), (5, 11246336), (8, 7028960), (10, 5623168), (16, 3514480), (20, 2811584), (32, 1757240), (40, 1405792), (64, 878620), (80, 702896), (128, 439310), (160, 351448), (197, 285440), (223, 252160), (256, 219655), (320, 175724), (394, 142720), (446, 126080), (640, 87862), (788, 71360), (892, 63040), (985, 57088), (1115, 50432), (1280, 43931), (1576, 35680), (1784, 31520), (1970, 28544), (2230, 25216), (3152, 17840), (3568, 15760), (3940, 14272), (4460, 12608), (6304, 8920), (7136, 7880)]