179964020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{47111}}^1$

素因数の和:47311

約数の個数: 24

約数和(自身を含む): 379911168

約数和(自身を除く): 199947148

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 47111, 94222, 188444, 235555, 471110, 942220, 8998201, 17996402, 35992804, 44991005, 89982010, 179964020]

約数ペア:

[(1, 179964020), (2, 89982010), (4, 44991005), (5, 35992804), (10, 17996402), (20, 8998201), (191, 942220), (382, 471110), (764, 235555), (955, 188444), (1910, 94222), (3820, 47111)]