221346280

素因数分解:

$2^3\times 5^1\times {\mathrm{5533657}}^1$

素因数の和:5533668

約数の個数: 16

約数和(自身を含む): 498029220

約数和(自身を除く): 276682940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5533657, 11067314, 22134628, 27668285, 44269256, 55336570, 110673140, 221346280]

約数ペア:

[(1, 221346280), (2, 110673140), (4, 55336570), (5, 44269256), (8, 27668285), (10, 22134628), (20, 11067314), (40, 5533657)]