215442280

素因数分解:

$2^3\times 5^1\times {\mathrm{5386057}}^1$

素因数の和:5386068

約数の個数: 16

約数和(自身を含む): 484745220

約数和(自身を除く): 269302940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5386057, 10772114, 21544228, 26930285, 43088456, 53860570, 107721140, 215442280]

約数ペア:

[(1, 215442280), (2, 107721140), (4, 53860570), (5, 43088456), (8, 26930285), (10, 21544228), (20, 10772114), (40, 5386057)]