131209280

素因数分解:

$2^6\times 5^1\times {\mathrm{410029}}^1$

素因数の和:410046

約数の個数: 28

約数和(自身を含む): 312442860

約数和(自身を除く): 181233580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 410029, 820058, 1640116, 2050145, 3280232, 4100290, 6560464, 8200580, 13120928, 16401160, 26241856, 32802320, 65604640, 131209280]

約数ペア:

[(1, 131209280), (2, 65604640), (4, 32802320), (5, 26241856), (8, 16401160), (10, 13120928), (16, 8200580), (20, 6560464), (32, 4100290), (40, 3280232), (64, 2050145), (80, 1640116), (160, 820058), (320, 410029)]