28084160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 112

約数和(自身を含む): 74163936

約数和(自身を除く): 46079776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 157, 160, 172, 208, 215, 260, 314, 320, 344, 416, 430, 520, 559, 628, 688, 785, 832, 860, 1040, 1118, 1256, 1376, 1570, 1720, 2041, 2080, 2236, 2512, 2752, 2795, 3140, 3440, 4082, 4160, 4472, 5024, 5590, 6280, 6751, 6880, 8164, 8944, 10048, 10205, 11180, 12560, 13502, 13760, 16328, 17888, 20410, 22360, 25120, 27004, 32656, 33755, 35776, 40820, 44720, 50240, 54008, 65312, 67510, 81640, 87763, 89440, 108016, 130624, 135020, 163280, 175526, 178880, 216032, 270040, 326560, 351052, 432064, 438815, 540080, 653120, 702104, 877630, 1080160, 1404208, 1755260, 2160320, 2808416, 3510520, 5616832, 7021040, 14042080, 28084160]

約数ペア:

[(1, 28084160), (2, 14042080), (4, 7021040), (5, 5616832), (8, 3510520), (10, 2808416), (13, 2160320), (16, 1755260), (20, 1404208), (26, 1080160), (32, 877630), (40, 702104), (43, 653120), (52, 540080), (64, 438815), (65, 432064), (80, 351052), (86, 326560), (104, 270040), (130, 216032), (157, 178880), (160, 175526), (172, 163280), (208, 135020), (215, 130624), (260, 108016), (314, 89440), (320, 87763), (344, 81640), (416, 67510), (430, 65312), (520, 54008), (559, 50240), (628, 44720), (688, 40820), (785, 35776), (832, 33755), (860, 32656), (1040, 27004), (1118, 25120), (1256, 22360), (1376, 20410), (1570, 17888), (1720, 16328), (2041, 13760), (2080, 13502), (2236, 12560), (2512, 11180), (2752, 10205), (2795, 10048), (3140, 8944), (3440, 8164), (4082, 6880), (4160, 6751), (4472, 6280), (5024, 5590)]