51760640

素因数分解:

$2^9\times 5^1\times {\mathrm{20219}}^1$

素因数の和:20242

約数の個数: 40

約数和(自身を含む): 124110360

約数和(自身を除く): 72349720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20219, 40438, 80876, 101095, 161752, 202190, 323504, 404380, 647008, 808760, 1294016, 1617520, 2588032, 3235040, 5176064, 6470080, 10352128, 12940160, 25880320, 51760640]

約数ペア:

[(1, 51760640), (2, 25880320), (4, 12940160), (5, 10352128), (8, 6470080), (10, 5176064), (16, 3235040), (20, 2588032), (32, 1617520), (40, 1294016), (64, 808760), (80, 647008), (128, 404380), (160, 323504), (256, 202190), (320, 161752), (512, 101095), (640, 80876), (1280, 40438), (2560, 20219)]