51089920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2881

約数の個数: 80

約数和(自身を含む): 140044608

約数和(自身を除く): 88954688

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, 1792, 2240, 2560, 2851, 3584, 4480, 5702, 8960, 11404, 14255, 17920, 19957, 22808, 28510, 39914, 45616, 57020, 79828, 91232, 99785, 114040, 159656, 182464, 199570, 228080, 319312, 364928, 399140, 456160, 638624, 729856, 798280, 912320, 1277248, 1459712, 1596560, 1824640, 2554496, 3193120, 3649280, 5108992, 6386240, 7298560, 10217984, 12772480, 25544960, 51089920]

約数ペア:

[(1, 51089920), (2, 25544960), (4, 12772480), (5, 10217984), (7, 7298560), (8, 6386240), (10, 5108992), (14, 3649280), (16, 3193120), (20, 2554496), (28, 1824640), (32, 1596560), (35, 1459712), (40, 1277248), (56, 912320), (64, 798280), (70, 729856), (80, 638624), (112, 456160), (128, 399140), (140, 364928), (160, 319312), (224, 228080), (256, 199570), (280, 182464), (320, 159656), (448, 114040), (512, 99785), (560, 91232), (640, 79828), (896, 57020), (1120, 45616), (1280, 39914), (1792, 28510), (2240, 22808), (2560, 19957), (2851, 17920), (3584, 14255), (4480, 11404), (5702, 8960)]