30715280

素因数分解:

$2^4\times 5^1\times {\mathrm{383941}}^1$

素因数の和:383954

約数の個数: 20

約数和(自身を含む): 71413212

約数和(自身を除く): 40697932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383941, 767882, 1535764, 1919705, 3071528, 3839410, 6143056, 7678820, 15357640, 30715280]

約数ペア:

[(1, 30715280), (2, 15357640), (4, 7678820), (5, 6143056), (8, 3839410), (10, 3071528), (16, 1919705), (20, 1535764), (40, 767882), (80, 383941)]