221460440

素因数分解:

$2^3\times 5^1\times {\mathrm{5536511}}^1$

素因数の和:5536522

約数の個数: 16

約数和(自身を含む): 498286080

約数和(自身を除く): 276825640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5536511, 11073022, 22146044, 27682555, 44292088, 55365110, 110730220, 221460440]

約数ペア:

[(1, 221460440), (2, 110730220), (4, 55365110), (5, 44292088), (8, 27682555), (10, 22146044), (20, 11073022), (40, 5536511)]