2021870080

素因数分解:

$2^9\times 5^1\times {\mathrm{789793}}^1$

素因数の和:789816

約数の個数: 40

約数和(自身を含む): 4847755572

約数和(自身を除く): 2825885492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 789793, 1579586, 3159172, 3948965, 6318344, 7897930, 12636688, 15795860, 25273376, 31591720, 50546752, 63183440, 101093504, 126366880, 202187008, 252733760, 404374016, 505467520, 1010935040, 2021870080]

約数ペア:

[(1, 2021870080), (2, 1010935040), (4, 505467520), (5, 404374016), (8, 252733760), (10, 202187008), (16, 126366880), (20, 101093504), (32, 63183440), (40, 50546752), (64, 31591720), (80, 25273376), (128, 15795860), (160, 12636688), (256, 7897930), (320, 6318344), (512, 3948965), (640, 3159172), (1280, 1579586), (2560, 789793)]