39445120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 111041280

約数和(自身を除く): 71596160

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, 286, 320, 352, 416, 431, 440, 520, 572, 640, 704, 715, 832, 862, 880, 1040, 1144, 1408, 1430, 1664, 1724, 1760, 2080, 2155, 2288, 2860, 3448, 3520, 4160, 4310, 4576, 4741, 5603, 5720, 6896, 7040, 8320, 8620, 9152, 9482, 11206, 11440, 13792, 17240, 18304, 18964, 22412, 22880, 23705, 27584, 28015, 34480, 37928, 44824, 45760, 47410, 55168, 56030, 61633, 68960, 75856, 89648, 91520, 94820, 112060, 123266, 137920, 151712, 179296, 189640, 224120, 246532, 275840, 303424, 308165, 358592, 379280, 448240, 493064, 606848, 616330, 717184, 758560, 896480, 986128, 1232660, 1517120, 1792960, 1972256, 2465320, 3034240, 3585920, 3944512, 4930640, 7889024, 9861280, 19722560, 39445120]

約数ペア:

[(1, 39445120), (2, 19722560), (4, 9861280), (5, 7889024), (8, 4930640), (10, 3944512), (11, 3585920), (13, 3034240), (16, 2465320), (20, 1972256), (22, 1792960), (26, 1517120), (32, 1232660), (40, 986128), (44, 896480), (52, 758560), (55, 717184), (64, 616330), (65, 606848), (80, 493064), (88, 448240), (104, 379280), (110, 358592), (128, 308165), (130, 303424), (143, 275840), (160, 246532), (176, 224120), (208, 189640), (220, 179296), (260, 151712), (286, 137920), (320, 123266), (352, 112060), (416, 94820), (431, 91520), (440, 89648), (520, 75856), (572, 68960), (640, 61633), (704, 56030), (715, 55168), (832, 47410), (862, 45760), (880, 44824), (1040, 37928), (1144, 34480), (1408, 28015), (1430, 27584), (1664, 23705), (1724, 22880), (1760, 22412), (2080, 18964), (2155, 18304), (2288, 17240), (2860, 13792), (3448, 11440), (3520, 11206), (4160, 9482), (4310, 9152), (4576, 8620), (4741, 8320), (5603, 7040), (5720, 6896)]