66272560

素因数分解:

$2^4\times 5^1\times {\mathrm{828407}}^1$

素因数の和:828420

約数の個数: 20

約数和(自身を含む): 154083888

約数和(自身を除く): 87811328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 828407, 1656814, 3313628, 4142035, 6627256, 8284070, 13254512, 16568140, 33136280, 66272560]

約数ペア:

[(1, 66272560), (2, 33136280), (4, 16568140), (5, 13254512), (8, 8284070), (10, 6627256), (16, 4142035), (20, 3313628), (40, 1656814), (80, 828407)]