26565760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 71285760

約数和(自身を除く): 44720000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 103, 104, 124, 128, 130, 155, 160, 206, 208, 248, 260, 310, 320, 403, 412, 416, 496, 515, 520, 620, 640, 806, 824, 832, 992, 1030, 1040, 1240, 1339, 1612, 1648, 1664, 1984, 2015, 2060, 2080, 2480, 2678, 3193, 3224, 3296, 3968, 4030, 4120, 4160, 4960, 5356, 6386, 6448, 6592, 6695, 8060, 8240, 8320, 9920, 10712, 12772, 12896, 13184, 13390, 15965, 16120, 16480, 19840, 21424, 25544, 25792, 26780, 31930, 32240, 32960, 41509, 42848, 51088, 51584, 53560, 63860, 64480, 65920, 83018, 85696, 102176, 107120, 127720, 128960, 166036, 171392, 204352, 207545, 214240, 255440, 257920, 332072, 408704, 415090, 428480, 510880, 664144, 830180, 856960, 1021760, 1328288, 1660360, 2043520, 2656576, 3320720, 5313152, 6641440, 13282880, 26565760]

約数ペア:

[(1, 26565760), (2, 13282880), (4, 6641440), (5, 5313152), (8, 3320720), (10, 2656576), (13, 2043520), (16, 1660360), (20, 1328288), (26, 1021760), (31, 856960), (32, 830180), (40, 664144), (52, 510880), (62, 428480), (64, 415090), (65, 408704), (80, 332072), (103, 257920), (104, 255440), (124, 214240), (128, 207545), (130, 204352), (155, 171392), (160, 166036), (206, 128960), (208, 127720), (248, 107120), (260, 102176), (310, 85696), (320, 83018), (403, 65920), (412, 64480), (416, 63860), (496, 53560), (515, 51584), (520, 51088), (620, 42848), (640, 41509), (806, 32960), (824, 32240), (832, 31930), (992, 26780), (1030, 25792), (1040, 25544), (1240, 21424), (1339, 19840), (1612, 16480), (1648, 16120), (1664, 15965), (1984, 13390), (2015, 13184), (2060, 12896), (2080, 12772), (2480, 10712), (2678, 9920), (3193, 8320), (3224, 8240), (3296, 8060), (3968, 6695), (4030, 6592), (4120, 6448), (4160, 6386), (4960, 5356)]