90204800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{4027}}^1$

素因数の和:4058

約数の個数: 96

約数和(自身を含む): 254730720

約数和(自身を除く): 164525920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4027, 4480, 5600, 8054, 11200, 16108, 20135, 22400, 28189, 32216, 40270, 56378, 64432, 80540, 100675, 112756, 128864, 140945, 161080, 201350, 225512, 257728, 281890, 322160, 402700, 451024, 515456, 563780, 644320, 704725, 805400, 902048, 1127560, 1288640, 1409450, 1610800, 1804096, 2255120, 2577280, 2818900, 3221600, 3608192, 4510240, 5637800, 6443200, 9020480, 11275600, 12886400, 18040960, 22551200, 45102400, 90204800]

約数ペア:

[(1, 90204800), (2, 45102400), (4, 22551200), (5, 18040960), (7, 12886400), (8, 11275600), (10, 9020480), (14, 6443200), (16, 5637800), (20, 4510240), (25, 3608192), (28, 3221600), (32, 2818900), (35, 2577280), (40, 2255120), (50, 1804096), (56, 1610800), (64, 1409450), (70, 1288640), (80, 1127560), (100, 902048), (112, 805400), (128, 704725), (140, 644320), (160, 563780), (175, 515456), (200, 451024), (224, 402700), (280, 322160), (320, 281890), (350, 257728), (400, 225512), (448, 201350), (560, 161080), (640, 140945), (700, 128864), (800, 112756), (896, 100675), (1120, 80540), (1400, 64432), (1600, 56378), (2240, 40270), (2800, 32216), (3200, 28189), (4027, 22400), (4480, 20135), (5600, 16108), (8054, 11200)]