2890400

素因数分解:

$2^5\times 5^2\times {\mathrm{3613}}^1$

素因数の和:3633

約数の個数: 36

約数和(自身を含む): 7058142

約数和(自身を除く): 4167742

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3613, 7226, 14452, 18065, 28904, 36130, 57808, 72260, 90325, 115616, 144520, 180650, 289040, 361300, 578080, 722600, 1445200, 2890400]

約数ペア:

[(1, 2890400), (2, 1445200), (4, 722600), (5, 578080), (8, 361300), (10, 289040), (16, 180650), (20, 144520), (25, 115616), (32, 90325), (40, 72260), (50, 57808), (80, 36130), (100, 28904), (160, 18065), (200, 14452), (400, 7226), (800, 3613)]