215548720

素因数分解:

$2^4\times 5^1\times {\mathrm{2694359}}^1$

素因数の和:2694372

約数の個数: 20

約数和(自身を含む): 501150960

約数和(自身を除く): 285602240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2694359, 5388718, 10777436, 13471795, 21554872, 26943590, 43109744, 53887180, 107774360, 215548720]

約数ペア:

[(1, 215548720), (2, 107774360), (4, 53887180), (5, 43109744), (8, 26943590), (10, 21554872), (16, 13471795), (20, 10777436), (40, 5388718), (80, 2694359)]