55915520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 88

約数和(自身を含む): 136968864

約数和(自身を除く): 81053344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 163, 256, 268, 320, 326, 335, 512, 536, 640, 652, 670, 815, 1024, 1072, 1280, 1304, 1340, 1630, 2144, 2560, 2608, 2680, 3260, 4288, 5120, 5216, 5360, 6520, 8576, 10432, 10720, 10921, 13040, 17152, 20864, 21440, 21842, 26080, 34304, 41728, 42880, 43684, 52160, 54605, 68608, 83456, 85760, 87368, 104320, 109210, 166912, 171520, 174736, 208640, 218420, 343040, 349472, 417280, 436840, 698944, 834560, 873680, 1397888, 1747360, 2795776, 3494720, 5591552, 6989440, 11183104, 13978880, 27957760, 55915520]

約数ペア:

[(1, 55915520), (2, 27957760), (4, 13978880), (5, 11183104), (8, 6989440), (10, 5591552), (16, 3494720), (20, 2795776), (32, 1747360), (40, 1397888), (64, 873680), (67, 834560), (80, 698944), (128, 436840), (134, 417280), (160, 349472), (163, 343040), (256, 218420), (268, 208640), (320, 174736), (326, 171520), (335, 166912), (512, 109210), (536, 104320), (640, 87368), (652, 85760), (670, 83456), (815, 68608), (1024, 54605), (1072, 52160), (1280, 43684), (1304, 42880), (1340, 41728), (1630, 34304), (2144, 26080), (2560, 21842), (2608, 21440), (2680, 20864), (3260, 17152), (4288, 13040), (5120, 10921), (5216, 10720), (5360, 10432), (6520, 8576)]