40807216

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{11437}}^1$

素因数の和:11668

約数の個数: 20

約数和(自身を含む): 79425472

約数和(自身を除く): 38618256

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 11437, 22874, 45748, 91496, 182992, 2550451, 5100902, 10201804, 20403608, 40807216]

約数ペア:

[(1, 40807216), (2, 20403608), (4, 10201804), (8, 5100902), (16, 2550451), (223, 182992), (446, 91496), (892, 45748), (1784, 22874), (3568, 11437)]