30820940

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3559}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 64891680

約数和(自身を除く): 34070740

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 3559, 4330, 7118, 8660, 14236, 17795, 35590, 71180, 1541047, 3082094, 6164188, 7705235, 15410470, 30820940]

約数ペア:

[(1, 30820940), (2, 15410470), (4, 7705235), (5, 6164188), (10, 3082094), (20, 1541047), (433, 71180), (866, 35590), (1732, 17795), (2165, 14236), (3559, 8660), (4330, 7118)]