28595840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 84309120

約数和(自身を除く): 55713280

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, 224, 260, 280, 320, 364, 416, 448, 455, 491, 520, 560, 640, 728, 832, 896, 910, 982, 1040, 1120, 1456, 1664, 1820, 1964, 2080, 2240, 2455, 2912, 3437, 3640, 3928, 4160, 4480, 4910, 5824, 6383, 6874, 7280, 7856, 8320, 9820, 11648, 12766, 13748, 14560, 15712, 17185, 19640, 25532, 27496, 29120, 31424, 31915, 34370, 39280, 44681, 51064, 54992, 58240, 62848, 63830, 68740, 78560, 89362, 102128, 109984, 127660, 137480, 157120, 178724, 204256, 219968, 223405, 255320, 274960, 314240, 357448, 408512, 439936, 446810, 510640, 549920, 714896, 817024, 893620, 1021280, 1099840, 1429792, 1787240, 2042560, 2199680, 2859584, 3574480, 4085120, 5719168, 7148960, 14297920, 28595840]

約数ペア:

[(1, 28595840), (2, 14297920), (4, 7148960), (5, 5719168), (7, 4085120), (8, 3574480), (10, 2859584), (13, 2199680), (14, 2042560), (16, 1787240), (20, 1429792), (26, 1099840), (28, 1021280), (32, 893620), (35, 817024), (40, 714896), (52, 549920), (56, 510640), (64, 446810), (65, 439936), (70, 408512), (80, 357448), (91, 314240), (104, 274960), (112, 255320), (128, 223405), (130, 219968), (140, 204256), (160, 178724), (182, 157120), (208, 137480), (224, 127660), (260, 109984), (280, 102128), (320, 89362), (364, 78560), (416, 68740), (448, 63830), (455, 62848), (491, 58240), (520, 54992), (560, 51064), (640, 44681), (728, 39280), (832, 34370), (896, 31915), (910, 31424), (982, 29120), (1040, 27496), (1120, 25532), (1456, 19640), (1664, 17185), (1820, 15712), (1964, 14560), (2080, 13748), (2240, 12766), (2455, 11648), (2912, 9820), (3437, 8320), (3640, 7856), (3928, 7280), (4160, 6874), (4480, 6383), (4910, 5824)]