30913780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{32887}}^1$

素因数の和:32943

約数の個数: 24

約数和(自身を含む): 66302208

約数和(自身を除く): 35388428

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 32887, 65774, 131548, 164435, 328870, 657740, 1545689, 3091378, 6182756, 7728445, 15456890, 30913780]

約数ペア:

[(1, 30913780), (2, 15456890), (4, 7728445), (5, 6182756), (10, 3091378), (20, 1545689), (47, 657740), (94, 328870), (188, 164435), (235, 131548), (470, 65774), (940, 32887)]