26715520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 72828000

約数和(自身を除く): 46112480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 260, 304, 320, 338, 380, 416, 494, 520, 608, 640, 676, 760, 832, 845, 988, 1040, 1216, 1235, 1352, 1520, 1664, 1690, 1976, 2080, 2197, 2432, 2470, 2704, 3040, 3211, 3380, 3952, 4160, 4394, 4940, 5408, 6080, 6422, 6760, 7904, 8320, 8788, 9880, 10816, 10985, 12160, 12844, 13520, 15808, 16055, 17576, 19760, 21632, 21970, 25688, 27040, 31616, 32110, 35152, 39520, 41743, 43940, 51376, 54080, 64220, 70304, 79040, 83486, 87880, 102752, 108160, 128440, 140608, 158080, 166972, 175760, 205504, 208715, 256880, 281216, 333944, 351520, 411008, 417430, 513760, 667888, 703040, 834860, 1027520, 1335776, 1406080, 1669720, 2055040, 2671552, 3339440, 5343104, 6678880, 13357760, 26715520]

約数ペア:

[(1, 26715520), (2, 13357760), (4, 6678880), (5, 5343104), (8, 3339440), (10, 2671552), (13, 2055040), (16, 1669720), (19, 1406080), (20, 1335776), (26, 1027520), (32, 834860), (38, 703040), (40, 667888), (52, 513760), (64, 417430), (65, 411008), (76, 351520), (80, 333944), (95, 281216), (104, 256880), (128, 208715), (130, 205504), (152, 175760), (160, 166972), (169, 158080), (190, 140608), (208, 128440), (247, 108160), (260, 102752), (304, 87880), (320, 83486), (338, 79040), (380, 70304), (416, 64220), (494, 54080), (520, 51376), (608, 43940), (640, 41743), (676, 39520), (760, 35152), (832, 32110), (845, 31616), (988, 27040), (1040, 25688), (1216, 21970), (1235, 21632), (1352, 19760), (1520, 17576), (1664, 16055), (1690, 15808), (1976, 13520), (2080, 12844), (2197, 12160), (2432, 10985), (2470, 10816), (2704, 9880), (3040, 8788), (3211, 8320), (3380, 7904), (3952, 6760), (4160, 6422), (4394, 6080), (4940, 5408)]