86338720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 230211072

約数和(自身を除く): 143872352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 103, 104, 124, 130, 155, 160, 169, 206, 208, 248, 260, 310, 338, 403, 412, 416, 496, 515, 520, 620, 676, 806, 824, 845, 992, 1030, 1040, 1240, 1339, 1352, 1612, 1648, 1690, 2015, 2060, 2080, 2480, 2678, 2704, 3193, 3224, 3296, 3380, 4030, 4120, 4960, 5239, 5356, 5408, 6386, 6448, 6695, 6760, 8060, 8240, 10478, 10712, 12772, 12896, 13390, 13520, 15965, 16120, 16480, 17407, 20956, 21424, 25544, 26195, 26780, 27040, 31930, 32240, 34814, 41509, 41912, 42848, 51088, 52390, 53560, 63860, 64480, 69628, 83018, 83824, 87035, 102176, 104780, 107120, 127720, 139256, 166036, 167648, 174070, 207545, 209560, 214240, 255440, 278512, 332072, 348140, 415090, 419120, 510880, 539617, 557024, 664144, 696280, 830180, 838240, 1079234, 1328288, 1392560, 1660360, 2158468, 2698085, 2785120, 3320720, 4316936, 5396170, 6641440, 8633872, 10792340, 17267744, 21584680, 43169360, 86338720]

約数ペア:

[(1, 86338720), (2, 43169360), (4, 21584680), (5, 17267744), (8, 10792340), (10, 8633872), (13, 6641440), (16, 5396170), (20, 4316936), (26, 3320720), (31, 2785120), (32, 2698085), (40, 2158468), (52, 1660360), (62, 1392560), (65, 1328288), (80, 1079234), (103, 838240), (104, 830180), (124, 696280), (130, 664144), (155, 557024), (160, 539617), (169, 510880), (206, 419120), (208, 415090), (248, 348140), (260, 332072), (310, 278512), (338, 255440), (403, 214240), (412, 209560), (416, 207545), (496, 174070), (515, 167648), (520, 166036), (620, 139256), (676, 127720), (806, 107120), (824, 104780), (845, 102176), (992, 87035), (1030, 83824), (1040, 83018), (1240, 69628), (1339, 64480), (1352, 63860), (1612, 53560), (1648, 52390), (1690, 51088), (2015, 42848), (2060, 41912), (2080, 41509), (2480, 34814), (2678, 32240), (2704, 31930), (3193, 27040), (3224, 26780), (3296, 26195), (3380, 25544), (4030, 21424), (4120, 20956), (4960, 17407), (5239, 16480), (5356, 16120), (5408, 15965), (6386, 13520), (6448, 13390), (6695, 12896), (6760, 12772), (8060, 10712), (8240, 10478)]