51483520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 137479680

約数和(自身を除く): 85996160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 103, 110, 128, 142, 160, 176, 206, 220, 284, 320, 352, 355, 412, 440, 515, 568, 640, 704, 710, 781, 824, 880, 1030, 1133, 1136, 1408, 1420, 1562, 1648, 1760, 2060, 2266, 2272, 2840, 3124, 3296, 3520, 3905, 4120, 4532, 4544, 5665, 5680, 6248, 6592, 7040, 7313, 7810, 8240, 9064, 9088, 11330, 11360, 12496, 13184, 14626, 15620, 16480, 18128, 22660, 22720, 24992, 29252, 31240, 32960, 36256, 36565, 45320, 45440, 49984, 58504, 62480, 65920, 72512, 73130, 80443, 90640, 99968, 117008, 124960, 145024, 146260, 160886, 181280, 234016, 249920, 292520, 321772, 362560, 402215, 468032, 499840, 585040, 643544, 725120, 804430, 936064, 1170080, 1287088, 1608860, 2340160, 2574176, 3217720, 4680320, 5148352, 6435440, 10296704, 12870880, 25741760, 51483520]

約数ペア:

[(1, 51483520), (2, 25741760), (4, 12870880), (5, 10296704), (8, 6435440), (10, 5148352), (11, 4680320), (16, 3217720), (20, 2574176), (22, 2340160), (32, 1608860), (40, 1287088), (44, 1170080), (55, 936064), (64, 804430), (71, 725120), (80, 643544), (88, 585040), (103, 499840), (110, 468032), (128, 402215), (142, 362560), (160, 321772), (176, 292520), (206, 249920), (220, 234016), (284, 181280), (320, 160886), (352, 146260), (355, 145024), (412, 124960), (440, 117008), (515, 99968), (568, 90640), (640, 80443), (704, 73130), (710, 72512), (781, 65920), (824, 62480), (880, 58504), (1030, 49984), (1133, 45440), (1136, 45320), (1408, 36565), (1420, 36256), (1562, 32960), (1648, 31240), (1760, 29252), (2060, 24992), (2266, 22720), (2272, 22660), (2840, 18128), (3124, 16480), (3296, 15620), (3520, 14626), (3905, 13184), (4120, 12496), (4532, 11360), (4544, 11330), (5665, 9088), (5680, 9064), (6248, 8240), (6592, 7810), (7040, 7313)]