53131520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 142851072

約数和(自身を除く): 89719552

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, 256, 260, 310, 320, 403, 412, 416, 496, 515, 520, 620, 640, 806, 824, 832, 992, 1030, 1040, 1240, 1280, 1339, 1612, 1648, 1664, 1984, 2015, 2060, 2080, 2480, 2678, 3193, 3224, 3296, 3328, 3968, 4030, 4120, 4160, 4960, 5356, 6386, 6448, 6592, 6695, 7936, 8060, 8240, 8320, 9920, 10712, 12772, 12896, 13184, 13390, 15965, 16120, 16480, 16640, 19840, 21424, 25544, 25792, 26368, 26780, 31930, 32240, 32960, 39680, 41509, 42848, 51088, 51584, 53560, 63860, 64480, 65920, 83018, 85696, 102176, 103168, 107120, 127720, 128960, 131840, 166036, 171392, 204352, 207545, 214240, 255440, 257920, 332072, 342784, 408704, 415090, 428480, 510880, 515840, 664144, 817408, 830180, 856960, 1021760, 1328288, 1660360, 1713920, 2043520, 2656576, 3320720, 4087040, 5313152, 6641440, 10626304, 13282880, 26565760, 53131520]

約数ペア:

[(1, 53131520), (2, 26565760), (4, 13282880), (5, 10626304), (8, 6641440), (10, 5313152), (13, 4087040), (16, 3320720), (20, 2656576), (26, 2043520), (31, 1713920), (32, 1660360), (40, 1328288), (52, 1021760), (62, 856960), (64, 830180), (65, 817408), (80, 664144), (103, 515840), (104, 510880), (124, 428480), (128, 415090), (130, 408704), (155, 342784), (160, 332072), (206, 257920), (208, 255440), (248, 214240), (256, 207545), (260, 204352), (310, 171392), (320, 166036), (403, 131840), (412, 128960), (416, 127720), (496, 107120), (515, 103168), (520, 102176), (620, 85696), (640, 83018), (806, 65920), (824, 64480), (832, 63860), (992, 53560), (1030, 51584), (1040, 51088), (1240, 42848), (1280, 41509), (1339, 39680), (1612, 32960), (1648, 32240), (1664, 31930), (1984, 26780), (2015, 26368), (2060, 25792), (2080, 25544), (2480, 21424), (2678, 19840), (3193, 16640), (3224, 16480), (3296, 16120), (3328, 15965), (3968, 13390), (4030, 13184), (4120, 12896), (4160, 12772), (4960, 10712), (5356, 9920), (6386, 8320), (6448, 8240), (6592, 8060), (6695, 7936)]