25189744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 29806736

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 43, 47, 76, 82, 86, 94, 152, 164, 172, 188, 304, 328, 344, 376, 656, 688, 752, 779, 817, 893, 1558, 1634, 1763, 1786, 1927, 2021, 3116, 3268, 3526, 3572, 3854, 4042, 6232, 6536, 7052, 7144, 7708, 8084, 12464, 13072, 14104, 14288, 15416, 16168, 28208, 30832, 32336, 33497, 36613, 38399, 66994, 73226, 76798, 82861, 133988, 146452, 153596, 165722, 267976, 292904, 307192, 331444, 535952, 585808, 614384, 662888, 1325776, 1574359, 3148718, 6297436, 12594872, 25189744]

約数ペア:

[(1, 25189744), (2, 12594872), (4, 6297436), (8, 3148718), (16, 1574359), (19, 1325776), (38, 662888), (41, 614384), (43, 585808), (47, 535952), (76, 331444), (82, 307192), (86, 292904), (94, 267976), (152, 165722), (164, 153596), (172, 146452), (188, 133988), (304, 82861), (328, 76798), (344, 73226), (376, 66994), (656, 38399), (688, 36613), (752, 33497), (779, 32336), (817, 30832), (893, 28208), (1558, 16168), (1634, 15416), (1763, 14288), (1786, 14104), (1927, 13072), (2021, 12464), (3116, 8084), (3268, 7708), (3526, 7144), (3572, 7052), (3854, 6536), (4042, 6232)]