25975040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 76919808

約数和(自身を除く): 50944768

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, 223, 224, 256, 260, 280, 320, 364, 416, 446, 448, 455, 520, 560, 640, 728, 832, 892, 896, 910, 1040, 1115, 1120, 1280, 1456, 1561, 1664, 1784, 1792, 1820, 2080, 2230, 2240, 2899, 2912, 3122, 3328, 3568, 3640, 4160, 4460, 4480, 5798, 5824, 6244, 7136, 7280, 7805, 8320, 8920, 8960, 11596, 11648, 12488, 14272, 14495, 14560, 15610, 16640, 17840, 20293, 23192, 23296, 24976, 28544, 28990, 29120, 31220, 35680, 40586, 46384, 49952, 57088, 57980, 58240, 62440, 71360, 81172, 92768, 99904, 101465, 115960, 116480, 124880, 142720, 162344, 185536, 199808, 202930, 231920, 249760, 285440, 324688, 371072, 399616, 405860, 463840, 499520, 649376, 742144, 811720, 927680, 999040, 1298752, 1623440, 1855360, 1998080, 2597504, 3246880, 3710720, 5195008, 6493760, 12987520, 25975040]

約数ペア:

[(1, 25975040), (2, 12987520), (4, 6493760), (5, 5195008), (7, 3710720), (8, 3246880), (10, 2597504), (13, 1998080), (14, 1855360), (16, 1623440), (20, 1298752), (26, 999040), (28, 927680), (32, 811720), (35, 742144), (40, 649376), (52, 499520), (56, 463840), (64, 405860), (65, 399616), (70, 371072), (80, 324688), (91, 285440), (104, 249760), (112, 231920), (128, 202930), (130, 199808), (140, 185536), (160, 162344), (182, 142720), (208, 124880), (223, 116480), (224, 115960), (256, 101465), (260, 99904), (280, 92768), (320, 81172), (364, 71360), (416, 62440), (446, 58240), (448, 57980), (455, 57088), (520, 49952), (560, 46384), (640, 40586), (728, 35680), (832, 31220), (892, 29120), (896, 28990), (910, 28544), (1040, 24976), (1115, 23296), (1120, 23192), (1280, 20293), (1456, 17840), (1561, 16640), (1664, 15610), (1784, 14560), (1792, 14495), (1820, 14272), (2080, 12488), (2230, 11648), (2240, 11596), (2899, 8960), (2912, 8920), (3122, 8320), (3328, 7805), (3568, 7280), (3640, 7136), (4160, 6244), (4460, 5824), (4480, 5798)]