55110520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^2$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 127595160

約数和(自身を除く): 72484640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 179, 215, 344, 358, 430, 716, 860, 895, 1432, 1720, 1790, 3580, 7160, 7697, 15394, 30788, 32041, 38485, 61576, 64082, 76970, 128164, 153940, 160205, 256328, 307880, 320410, 640820, 1281640, 1377763, 2755526, 5511052, 6888815, 11022104, 13777630, 27555260, 55110520]

約数ペア:

[(1, 55110520), (2, 27555260), (4, 13777630), (5, 11022104), (8, 6888815), (10, 5511052), (20, 2755526), (40, 1377763), (43, 1281640), (86, 640820), (172, 320410), (179, 307880), (215, 256328), (344, 160205), (358, 153940), (430, 128164), (716, 76970), (860, 64082), (895, 61576), (1432, 38485), (1720, 32041), (1790, 30788), (3580, 15394), (7160, 7697)]