28904960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1613}}^1$

素因数の和:1643

約数の個数: 80

約数和(自身を含む): 79253856

約数和(自身を除く): 50348896

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, 1613, 1792, 2240, 2560, 3226, 3584, 4480, 6452, 8065, 8960, 11291, 12904, 16130, 17920, 22582, 25808, 32260, 45164, 51616, 56455, 64520, 90328, 103232, 112910, 129040, 180656, 206464, 225820, 258080, 361312, 412928, 451640, 516160, 722624, 825856, 903280, 1032320, 1445248, 1806560, 2064640, 2890496, 3613120, 4129280, 5780992, 7226240, 14452480, 28904960]

約数ペア:

[(1, 28904960), (2, 14452480), (4, 7226240), (5, 5780992), (7, 4129280), (8, 3613120), (10, 2890496), (14, 2064640), (16, 1806560), (20, 1445248), (28, 1032320), (32, 903280), (35, 825856), (40, 722624), (56, 516160), (64, 451640), (70, 412928), (80, 361312), (112, 258080), (128, 225820), (140, 206464), (160, 180656), (224, 129040), (256, 112910), (280, 103232), (320, 90328), (448, 64520), (512, 56455), (560, 51616), (640, 45164), (896, 32260), (1120, 25808), (1280, 22582), (1613, 17920), (1792, 16130), (2240, 12904), (2560, 11291), (3226, 8960), (3584, 8065), (4480, 6452)]