25717120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 72485280

約数和(自身を除く): 46768160

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, 260, 281, 286, 320, 352, 416, 440, 520, 562, 572, 640, 704, 715, 832, 880, 1040, 1124, 1144, 1405, 1408, 1430, 1664, 1760, 2080, 2248, 2288, 2810, 2860, 3091, 3520, 3653, 4160, 4496, 4576, 5620, 5720, 6182, 7040, 7306, 8320, 8992, 9152, 11240, 11440, 12364, 14612, 15455, 17984, 18265, 18304, 22480, 22880, 24728, 29224, 30910, 35968, 36530, 40183, 44960, 45760, 49456, 58448, 61820, 73060, 80366, 89920, 91520, 98912, 116896, 123640, 146120, 160732, 179840, 197824, 200915, 233792, 247280, 292240, 321464, 395648, 401830, 467584, 494560, 584480, 642928, 803660, 989120, 1168960, 1285856, 1607320, 1978240, 2337920, 2571712, 3214640, 5143424, 6429280, 12858560, 25717120]

約数ペア:

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