25551828080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{256133}}^1$

素因数の和:256218

約数の個数: 80

約数和(自身を含む): 62886019680

約数和(自身を除く): 37334191600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 688, 860, 1160, 1247, 1720, 2320, 2494, 3440, 4988, 6235, 9976, 12470, 19952, 24940, 49880, 99760, 256133, 512266, 1024532, 1280665, 2049064, 2561330, 4098128, 5122660, 7427857, 10245320, 11013719, 14855714, 20490640, 22027438, 29711428, 37139285, 44054876, 55068595, 59422856, 74278570, 88109752, 110137190, 118845712, 148557140, 176219504, 220274380, 297114280, 319397851, 440548760, 594228560, 638795702, 881097520, 1277591404, 1596989255, 2555182808, 3193978510, 5110365616, 6387957020, 12775914040, 25551828080]

約数ペア:

[(1, 25551828080), (2, 12775914040), (4, 6387957020), (5, 5110365616), (8, 3193978510), (10, 2555182808), (16, 1596989255), (20, 1277591404), (29, 881097520), (40, 638795702), (43, 594228560), (58, 440548760), (80, 319397851), (86, 297114280), (116, 220274380), (145, 176219504), (172, 148557140), (215, 118845712), (232, 110137190), (290, 88109752), (344, 74278570), (430, 59422856), (464, 55068595), (580, 44054876), (688, 37139285), (860, 29711428), (1160, 22027438), (1247, 20490640), (1720, 14855714), (2320, 11013719), (2494, 10245320), (3440, 7427857), (4988, 5122660), (6235, 4098128), (9976, 2561330), (12470, 2049064), (19952, 1280665), (24940, 1024532), (49880, 512266), (99760, 256133)]