215345960

素因数分解:

$2^3\times 5^1\times {\mathrm{5383649}}^1$

素因数の和:5383660

約数の個数: 16

約数和(自身を含む): 484528500

約数和(自身を除く): 269182540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5383649, 10767298, 21534596, 26918245, 43069192, 53836490, 107672980, 215345960]

約数ペア:

[(1, 215345960), (2, 107672980), (4, 53836490), (5, 43069192), (8, 26918245), (10, 21534596), (20, 10767298), (40, 5383649)]