2008430080

素因数分解:

$2^9\times 5^1\times {\mathrm{784543}}^1$

素因数の和:784566

約数の個数: 40

約数和(自身を含む): 4815531072

約数和(自身を除く): 2807100992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 784543, 1569086, 3138172, 3922715, 6276344, 7845430, 12552688, 15690860, 25105376, 31381720, 50210752, 62763440, 100421504, 125526880, 200843008, 251053760, 401686016, 502107520, 1004215040, 2008430080]

約数ペア:

[(1, 2008430080), (2, 1004215040), (4, 502107520), (5, 401686016), (8, 251053760), (10, 200843008), (16, 125526880), (20, 100421504), (32, 62763440), (40, 50210752), (64, 31381720), (80, 25105376), (128, 15690860), (160, 12552688), (256, 7845430), (320, 6276344), (512, 3922715), (640, 3138172), (1280, 1569086), (2560, 784543)]