664350080

素因数分解:

$2^7\times 5^1\times {\mathrm{1038047}}^1$

素因数の和:1038066

約数の個数: 32

約数和(自身を含む): 1588213440

約数和(自身を除く): 923863360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1038047, 2076094, 4152188, 5190235, 8304376, 10380470, 16608752, 20760940, 33217504, 41521880, 66435008, 83043760, 132870016, 166087520, 332175040, 664350080]

約数ペア:

[(1, 664350080), (2, 332175040), (4, 166087520), (5, 132870016), (8, 83043760), (10, 66435008), (16, 41521880), (20, 33217504), (32, 20760940), (40, 16608752), (64, 10380470), (80, 8304376), (128, 5190235), (160, 4152188), (320, 2076094), (640, 1038047)]