30873880

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1117}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 69629040

約数和(自身を除く): 38755160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1117, 1382, 2234, 2764, 3455, 4468, 5528, 5585, 6910, 8936, 11170, 13820, 22340, 27640, 44680, 771847, 1543694, 3087388, 3859235, 6174776, 7718470, 15436940, 30873880]

約数ペア:

[(1, 30873880), (2, 15436940), (4, 7718470), (5, 6174776), (8, 3859235), (10, 3087388), (20, 1543694), (40, 771847), (691, 44680), (1117, 27640), (1382, 22340), (2234, 13820), (2764, 11170), (3455, 8936), (4468, 6910), (5528, 5585)]