51425920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:922

約数の個数: 128

約数和(自身を含む): 151482240

約数和(自身を除く): 100056320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 883, 896, 910, 1040, 1120, 1456, 1664, 1766, 1820, 2080, 2240, 2912, 3532, 3640, 4160, 4415, 4480, 5824, 6181, 7064, 7280, 8320, 8830, 11479, 11648, 12362, 14128, 14560, 17660, 22958, 24724, 28256, 29120, 30905, 35320, 45916, 49448, 56512, 57395, 58240, 61810, 70640, 80353, 91832, 98896, 113024, 114790, 123620, 141280, 160706, 183664, 197792, 229580, 247240, 282560, 321412, 367328, 395584, 401765, 459160, 494480, 565120, 642824, 734656, 791168, 803530, 918320, 988960, 1285648, 1469312, 1607060, 1836640, 1977920, 2571296, 3214120, 3673280, 3955840, 5142592, 6428240, 7346560, 10285184, 12856480, 25712960, 51425920]

約数ペア:

[(1, 51425920), (2, 25712960), (4, 12856480), (5, 10285184), (7, 7346560), (8, 6428240), (10, 5142592), (13, 3955840), (14, 3673280), (16, 3214120), (20, 2571296), (26, 1977920), (28, 1836640), (32, 1607060), (35, 1469312), (40, 1285648), (52, 988960), (56, 918320), (64, 803530), (65, 791168), (70, 734656), (80, 642824), (91, 565120), (104, 494480), (112, 459160), (128, 401765), (130, 395584), (140, 367328), (160, 321412), (182, 282560), (208, 247240), (224, 229580), (260, 197792), (280, 183664), (320, 160706), (364, 141280), (416, 123620), (448, 114790), (455, 113024), (520, 98896), (560, 91832), (640, 80353), (728, 70640), (832, 61810), (883, 58240), (896, 57395), (910, 56512), (1040, 49448), (1120, 45916), (1456, 35320), (1664, 30905), (1766, 29120), (1820, 28256), (2080, 24724), (2240, 22958), (2912, 17660), (3532, 14560), (3640, 14128), (4160, 12362), (4415, 11648), (4480, 11479), (5824, 8830), (6181, 8320), (7064, 7280)]