28259840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 160

約数和(自身を含む): 82494720

約数和(自身を除く): 54234880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 83, 95, 112, 128, 133, 140, 152, 160, 166, 190, 224, 256, 266, 280, 304, 320, 332, 380, 415, 448, 512, 532, 560, 581, 608, 640, 664, 665, 760, 830, 896, 1064, 1120, 1162, 1216, 1280, 1328, 1330, 1520, 1577, 1660, 1792, 2128, 2240, 2324, 2432, 2560, 2656, 2660, 2905, 3040, 3154, 3320, 3584, 4256, 4480, 4648, 4864, 5312, 5320, 5810, 6080, 6308, 6640, 7885, 8512, 8960, 9296, 9728, 10624, 10640, 11039, 11620, 12160, 12616, 13280, 15770, 17024, 17920, 18592, 21248, 21280, 22078, 23240, 24320, 25232, 26560, 31540, 34048, 37184, 42496, 42560, 44156, 46480, 48640, 50464, 53120, 55195, 63080, 68096, 74368, 85120, 88312, 92960, 100928, 106240, 110390, 126160, 148736, 170240, 176624, 185920, 201856, 212480, 220780, 252320, 297472, 340480, 353248, 371840, 403712, 441560, 504640, 706496, 743680, 807424, 883120, 1009280, 1412992, 1487360, 1766240, 2018560, 2825984, 3532480, 4037120, 5651968, 7064960, 14129920, 28259840]

約数ペア:

[(1, 28259840), (2, 14129920), (4, 7064960), (5, 5651968), (7, 4037120), (8, 3532480), (10, 2825984), (14, 2018560), (16, 1766240), (19, 1487360), (20, 1412992), (28, 1009280), (32, 883120), (35, 807424), (38, 743680), (40, 706496), (56, 504640), (64, 441560), (70, 403712), (76, 371840), (80, 353248), (83, 340480), (95, 297472), (112, 252320), (128, 220780), (133, 212480), (140, 201856), (152, 185920), (160, 176624), (166, 170240), (190, 148736), (224, 126160), (256, 110390), (266, 106240), (280, 100928), (304, 92960), (320, 88312), (332, 85120), (380, 74368), (415, 68096), (448, 63080), (512, 55195), (532, 53120), (560, 50464), (581, 48640), (608, 46480), (640, 44156), (664, 42560), (665, 42496), (760, 37184), (830, 34048), (896, 31540), (1064, 26560), (1120, 25232), (1162, 24320), (1216, 23240), (1280, 22078), (1328, 21280), (1330, 21248), (1520, 18592), (1577, 17920), (1660, 17024), (1792, 15770), (2128, 13280), (2240, 12616), (2324, 12160), (2432, 11620), (2560, 11039), (2656, 10640), (2660, 10624), (2905, 9728), (3040, 9296), (3154, 8960), (3320, 8512), (3584, 7885), (4256, 6640), (4480, 6308), (4648, 6080), (4864, 5810), (5312, 5320)]