2800640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{547}}^1$

素因数の和:572

約数の個数: 44

約数和(自身を含む): 6730536

約数和(自身を除く): 3929896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 547, 640, 1024, 1094, 1280, 2188, 2560, 2735, 4376, 5120, 5470, 8752, 10940, 17504, 21880, 35008, 43760, 70016, 87520, 140032, 175040, 280064, 350080, 560128, 700160, 1400320, 2800640]

約数ペア:

[(1, 2800640), (2, 1400320), (4, 700160), (5, 560128), (8, 350080), (10, 280064), (16, 175040), (20, 140032), (32, 87520), (40, 70016), (64, 43760), (80, 35008), (128, 21880), (160, 17504), (256, 10940), (320, 8752), (512, 5470), (547, 5120), (640, 4376), (1024, 2735), (1094, 2560), (1280, 2188)]