131928640

素因数分解:

$2^6\times 5^1\times {\mathrm{412277}}^1$

素因数の和:412294

約数の個数: 28

約数和(自身を含む): 314155836

約数和(自身を除く): 182227196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 412277, 824554, 1649108, 2061385, 3298216, 4122770, 6596432, 8245540, 13192864, 16491080, 26385728, 32982160, 65964320, 131928640]

約数ペア:

[(1, 131928640), (2, 65964320), (4, 32982160), (5, 26385728), (8, 16491080), (10, 13192864), (16, 8245540), (20, 6596432), (32, 4122770), (40, 3298216), (64, 2061385), (80, 1649108), (160, 824554), (320, 412277)]