27957760

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 68450976

約数和(自身を除く): 40493216

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, 1072, 1280, 1304, 1340, 1630, 2144, 2560, 2608, 2680, 3260, 4288, 5216, 5360, 6520, 8576, 10432, 10720, 10921, 13040, 17152, 20864, 21440, 21842, 26080, 34304, 41728, 42880, 43684, 52160, 54605, 83456, 85760, 87368, 104320, 109210, 171520, 174736, 208640, 218420, 349472, 417280, 436840, 698944, 873680, 1397888, 1747360, 2795776, 3494720, 5591552, 6989440, 13978880, 27957760]

約数ペア:

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