20940160

素因数分解:

$2^7\times 5^1\times {\mathrm{32719}}^1$

素因数の和:32738

約数の個数: 32

約数和(自身を含む): 50061600

約数和(自身を除く): 29121440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32719, 65438, 130876, 163595, 261752, 327190, 523504, 654380, 1047008, 1308760, 2094016, 2617520, 4188032, 5235040, 10470080, 20940160]

約数ペア:

[(1, 20940160), (2, 10470080), (4, 5235040), (5, 4188032), (8, 2617520), (10, 2094016), (16, 1308760), (20, 1047008), (32, 654380), (40, 523504), (64, 327190), (80, 261752), (128, 163595), (160, 130876), (320, 65438), (640, 32719)]