2646400

素因数分解:

$2^7\times 5^2\times {\mathrm{827}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 6545340

約数和(自身を除く): 3898940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 827, 1600, 1654, 3200, 3308, 4135, 6616, 8270, 13232, 16540, 20675, 26464, 33080, 41350, 52928, 66160, 82700, 105856, 132320, 165400, 264640, 330800, 529280, 661600, 1323200, 2646400]

約数ペア:

[(1, 2646400), (2, 1323200), (4, 661600), (5, 529280), (8, 330800), (10, 264640), (16, 165400), (20, 132320), (25, 105856), (32, 82700), (40, 66160), (50, 52928), (64, 41350), (80, 33080), (100, 26464), (128, 20675), (160, 16540), (200, 13232), (320, 8270), (400, 6616), (640, 4135), (800, 3308), (827, 3200), (1600, 1654)]