28904000

素因数分解:

$2^6\times 5^3\times {\mathrm{3613}}^1$

素因数の和:3640

約数の個数: 56

約数和(自身を含む): 71600568

約数和(自身を除く): 42696568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 3613, 4000, 7226, 8000, 14452, 18065, 28904, 36130, 57808, 72260, 90325, 115616, 144520, 180650, 231232, 289040, 361300, 451625, 578080, 722600, 903250, 1156160, 1445200, 1806500, 2890400, 3613000, 5780800, 7226000, 14452000, 28904000]

約数ペア:

[(1, 28904000), (2, 14452000), (4, 7226000), (5, 5780800), (8, 3613000), (10, 2890400), (16, 1806500), (20, 1445200), (25, 1156160), (32, 903250), (40, 722600), (50, 578080), (64, 451625), (80, 361300), (100, 289040), (125, 231232), (160, 180650), (200, 144520), (250, 115616), (320, 90325), (400, 72260), (500, 57808), (800, 36130), (1000, 28904), (1600, 18065), (2000, 14452), (3613, 8000), (4000, 7226)]