16864040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2437}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 38179080

約数和(自身を除く): 21315040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2437, 3460, 4874, 6920, 9748, 12185, 19496, 24370, 48740, 97480, 421601, 843202, 1686404, 2108005, 3372808, 4216010, 8432020, 16864040]

約数ペア:

[(1, 16864040), (2, 8432020), (4, 4216010), (5, 3372808), (8, 2108005), (10, 1686404), (20, 843202), (40, 421601), (173, 97480), (346, 48740), (692, 24370), (865, 19496), (1384, 12185), (1730, 9748), (2437, 6920), (3460, 4874)]