20551323200

素因数分解:

$2^6\times 5^2\times {\mathrm{223}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:725

約数の個数: 168

約数和(自身を含む): 51220055040

約数和(自身を除く): 30668731840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 223, 239, 241, 320, 400, 446, 478, 482, 800, 892, 956, 964, 1115, 1195, 1205, 1600, 1784, 1912, 1928, 2230, 2390, 2410, 3568, 3824, 3856, 4460, 4780, 4820, 5575, 5975, 6025, 7136, 7648, 7712, 8920, 9560, 9640, 11150, 11950, 12050, 14272, 15296, 15424, 17840, 19120, 19280, 22300, 23900, 24100, 35680, 38240, 38560, 44600, 47800, 48200, 53297, 53743, 57599, 71360, 76480, 77120, 89200, 95600, 96400, 106594, 107486, 115198, 178400, 191200, 192800, 213188, 214972, 230396, 266485, 268715, 287995, 356800, 382400, 385600, 426376, 429944, 460792, 532970, 537430, 575990, 852752, 859888, 921584, 1065940, 1074860, 1151980, 1332425, 1343575, 1439975, 1705504, 1719776, 1843168, 2131880, 2149720, 2303960, 2664850, 2687150, 2879950, 3411008, 3439552, 3686336, 4263760, 4299440, 4607920, 5329700, 5374300, 5759900, 8527520, 8598880, 9215840, 10659400, 10748600, 11519800, 12844577, 17055040, 17197760, 18431680, 21318800, 21497200, 23039600, 25689154, 42637600, 42994400, 46079200, 51378308, 64222885, 85275200, 85988800, 92158400, 102756616, 128445770, 205513232, 256891540, 321114425, 411026464, 513783080, 642228850, 822052928, 1027566160, 1284457700, 2055132320, 2568915400, 4110264640, 5137830800, 10275661600, 20551323200]

約数ペア:

[(1, 20551323200), (2, 10275661600), (4, 5137830800), (5, 4110264640), (8, 2568915400), (10, 2055132320), (16, 1284457700), (20, 1027566160), (25, 822052928), (32, 642228850), (40, 513783080), (50, 411026464), (64, 321114425), (80, 256891540), (100, 205513232), (160, 128445770), (200, 102756616), (223, 92158400), (239, 85988800), (241, 85275200), (320, 64222885), (400, 51378308), (446, 46079200), (478, 42994400), (482, 42637600), (800, 25689154), (892, 23039600), (956, 21497200), (964, 21318800), (1115, 18431680), (1195, 17197760), (1205, 17055040), (1600, 12844577), (1784, 11519800), (1912, 10748600), (1928, 10659400), (2230, 9215840), (2390, 8598880), (2410, 8527520), (3568, 5759900), (3824, 5374300), (3856, 5329700), (4460, 4607920), (4780, 4299440), (4820, 4263760), (5575, 3686336), (5975, 3439552), (6025, 3411008), (7136, 2879950), (7648, 2687150), (7712, 2664850), (8920, 2303960), (9560, 2149720), (9640, 2131880), (11150, 1843168), (11950, 1719776), (12050, 1705504), (14272, 1439975), (15296, 1343575), (15424, 1332425), (17840, 1151980), (19120, 1074860), (19280, 1065940), (22300, 921584), (23900, 859888), (24100, 852752), (35680, 575990), (38240, 537430), (38560, 532970), (44600, 460792), (47800, 429944), (48200, 426376), (53297, 385600), (53743, 382400), (57599, 356800), (71360, 287995), (76480, 268715), (77120, 266485), (89200, 230396), (95600, 214972), (96400, 213188), (106594, 192800), (107486, 191200), (115198, 178400)]