207664640

素因数分解:

$2^9\times 5^1\times {\mathrm{81119}}^1$

素因数の和:81142

約数の個数: 40

約数和(自身を含む): 497914560

約数和(自身を除く): 290249920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 81119, 162238, 324476, 405595, 648952, 811190, 1297904, 1622380, 2595808, 3244760, 5191616, 6489520, 10383232, 12979040, 20766464, 25958080, 41532928, 51916160, 103832320, 207664640]

約数ペア:

[(1, 207664640), (2, 103832320), (4, 51916160), (5, 41532928), (8, 25958080), (10, 20766464), (16, 12979040), (20, 10383232), (32, 6489520), (40, 5191616), (64, 3244760), (80, 2595808), (128, 1622380), (160, 1297904), (256, 811190), (320, 648952), (512, 405595), (640, 324476), (1280, 162238), (2560, 81119)]