8939840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 26285952

約数和(自身を除く): 17346112

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, 130, 140, 160, 182, 208, 224, 260, 280, 307, 320, 364, 416, 448, 455, 520, 560, 614, 728, 832, 910, 1040, 1120, 1228, 1456, 1535, 1820, 2080, 2149, 2240, 2456, 2912, 3070, 3640, 3991, 4160, 4298, 4912, 5824, 6140, 7280, 7982, 8596, 9824, 10745, 12280, 14560, 15964, 17192, 19648, 19955, 21490, 24560, 27937, 29120, 31928, 34384, 39910, 42980, 49120, 55874, 63856, 68768, 79820, 85960, 98240, 111748, 127712, 137536, 139685, 159640, 171920, 223496, 255424, 279370, 319280, 343840, 446992, 558740, 638560, 687680, 893984, 1117480, 1277120, 1787968, 2234960, 4469920, 8939840]

約数ペア:

[(1, 8939840), (2, 4469920), (4, 2234960), (5, 1787968), (7, 1277120), (8, 1117480), (10, 893984), (13, 687680), (14, 638560), (16, 558740), (20, 446992), (26, 343840), (28, 319280), (32, 279370), (35, 255424), (40, 223496), (52, 171920), (56, 159640), (64, 139685), (65, 137536), (70, 127712), (80, 111748), (91, 98240), (104, 85960), (112, 79820), (130, 68768), (140, 63856), (160, 55874), (182, 49120), (208, 42980), (224, 39910), (260, 34384), (280, 31928), (307, 29120), (320, 27937), (364, 24560), (416, 21490), (448, 19955), (455, 19648), (520, 17192), (560, 15964), (614, 14560), (728, 12280), (832, 10745), (910, 9824), (1040, 8596), (1120, 7982), (1228, 7280), (1456, 6140), (1535, 5824), (1820, 4912), (2080, 4298), (2149, 4160), (2240, 3991), (2456, 3640), (2912, 3070)]