30650980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3491}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 64532160

約数和(自身を除く): 33881180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 3491, 4390, 6982, 8780, 13964, 17455, 34910, 69820, 1532549, 3065098, 6130196, 7662745, 15325490, 30650980]

約数ペア:

[(1, 30650980), (2, 15325490), (4, 7662745), (5, 6130196), (10, 3065098), (20, 1532549), (439, 69820), (878, 34910), (1756, 17455), (2195, 13964), (3491, 8780), (4390, 6982)]