25817200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 67654400

約数和(自身を除く): 41837200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 43, 50, 76, 79, 80, 86, 95, 100, 152, 158, 172, 190, 200, 215, 304, 316, 344, 380, 395, 400, 430, 475, 632, 688, 760, 790, 817, 860, 950, 1075, 1264, 1501, 1520, 1580, 1634, 1720, 1900, 1975, 2150, 3002, 3160, 3268, 3397, 3440, 3800, 3950, 4085, 4300, 6004, 6320, 6536, 6794, 7505, 7600, 7900, 8170, 8600, 12008, 13072, 13588, 15010, 15800, 16340, 16985, 17200, 20425, 24016, 27176, 30020, 31600, 32680, 33970, 37525, 40850, 54352, 60040, 64543, 65360, 67940, 75050, 81700, 84925, 120080, 129086, 135880, 150100, 163400, 169850, 258172, 271760, 300200, 322715, 326800, 339700, 516344, 600400, 645430, 679400, 1032688, 1290860, 1358800, 1613575, 2581720, 3227150, 5163440, 6454300, 12908600, 25817200]

約数ペア:

[(1, 25817200), (2, 12908600), (4, 6454300), (5, 5163440), (8, 3227150), (10, 2581720), (16, 1613575), (19, 1358800), (20, 1290860), (25, 1032688), (38, 679400), (40, 645430), (43, 600400), (50, 516344), (76, 339700), (79, 326800), (80, 322715), (86, 300200), (95, 271760), (100, 258172), (152, 169850), (158, 163400), (172, 150100), (190, 135880), (200, 129086), (215, 120080), (304, 84925), (316, 81700), (344, 75050), (380, 67940), (395, 65360), (400, 64543), (430, 60040), (475, 54352), (632, 40850), (688, 37525), (760, 33970), (790, 32680), (817, 31600), (860, 30020), (950, 27176), (1075, 24016), (1264, 20425), (1501, 17200), (1520, 16985), (1580, 16340), (1634, 15800), (1720, 15010), (1900, 13588), (1975, 13072), (2150, 12008), (3002, 8600), (3160, 8170), (3268, 7900), (3397, 7600), (3440, 7505), (3800, 6794), (3950, 6536), (4085, 6320), (4300, 6004)]