28689920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1601}}^1$

素因数の和:1631

約数の個数: 80

約数和(自身を含む): 78664608

約数和(自身を除く): 49974688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1601, 1792, 2240, 2560, 3202, 3584, 4480, 6404, 8005, 8960, 11207, 12808, 16010, 17920, 22414, 25616, 32020, 44828, 51232, 56035, 64040, 89656, 102464, 112070, 128080, 179312, 204928, 224140, 256160, 358624, 409856, 448280, 512320, 717248, 819712, 896560, 1024640, 1434496, 1793120, 2049280, 2868992, 3586240, 4098560, 5737984, 7172480, 14344960, 28689920]

約数ペア:

[(1, 28689920), (2, 14344960), (4, 7172480), (5, 5737984), (7, 4098560), (8, 3586240), (10, 2868992), (14, 2049280), (16, 1793120), (20, 1434496), (28, 1024640), (32, 896560), (35, 819712), (40, 717248), (56, 512320), (64, 448280), (70, 409856), (80, 358624), (112, 256160), (128, 224140), (140, 204928), (160, 179312), (224, 128080), (256, 112070), (280, 102464), (320, 89656), (448, 64040), (512, 56035), (560, 51232), (640, 44828), (896, 32020), (1120, 25616), (1280, 22414), (1601, 17920), (1792, 16010), (2240, 12808), (2560, 11207), (3202, 8960), (3584, 8005), (4480, 6404)]