51434240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 145254816

約数和(自身を除く): 93820576

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 281, 286, 320, 352, 416, 440, 520, 562, 572, 640, 704, 715, 832, 880, 1040, 1124, 1144, 1280, 1405, 1408, 1430, 1664, 1760, 2080, 2248, 2288, 2810, 2816, 2860, 3091, 3328, 3520, 3653, 4160, 4496, 4576, 5620, 5720, 6182, 7040, 7306, 8320, 8992, 9152, 11240, 11440, 12364, 14080, 14612, 15455, 16640, 17984, 18265, 18304, 22480, 22880, 24728, 29224, 30910, 35968, 36530, 36608, 40183, 44960, 45760, 49456, 58448, 61820, 71936, 73060, 80366, 89920, 91520, 98912, 116896, 123640, 146120, 160732, 179840, 183040, 197824, 200915, 233792, 247280, 292240, 321464, 359680, 395648, 401830, 467584, 494560, 584480, 642928, 791296, 803660, 935168, 989120, 1168960, 1285856, 1607320, 1978240, 2337920, 2571712, 3214640, 3956480, 4675840, 5143424, 6429280, 10286848, 12858560, 25717120, 51434240]

約数ペア:

[(1, 51434240), (2, 25717120), (4, 12858560), (5, 10286848), (8, 6429280), (10, 5143424), (11, 4675840), (13, 3956480), (16, 3214640), (20, 2571712), (22, 2337920), (26, 1978240), (32, 1607320), (40, 1285856), (44, 1168960), (52, 989120), (55, 935168), (64, 803660), (65, 791296), (80, 642928), (88, 584480), (104, 494560), (110, 467584), (128, 401830), (130, 395648), (143, 359680), (160, 321464), (176, 292240), (208, 247280), (220, 233792), (256, 200915), (260, 197824), (281, 183040), (286, 179840), (320, 160732), (352, 146120), (416, 123640), (440, 116896), (520, 98912), (562, 91520), (572, 89920), (640, 80366), (704, 73060), (715, 71936), (832, 61820), (880, 58448), (1040, 49456), (1124, 45760), (1144, 44960), (1280, 40183), (1405, 36608), (1408, 36530), (1430, 35968), (1664, 30910), (1760, 29224), (2080, 24728), (2248, 22880), (2288, 22480), (2810, 18304), (2816, 18265), (2860, 17984), (3091, 16640), (3328, 15455), (3520, 14612), (3653, 14080), (4160, 12364), (4496, 11440), (4576, 11240), (5620, 9152), (5720, 8992), (6182, 8320), (7040, 7306)]