38684920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5011}}^1$

素因数の和:5215

約数の個数: 32

約数和(自身を含む): 87509520

約数和(自身を除く): 48824600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 5011, 7720, 10022, 20044, 25055, 40088, 50110, 100220, 200440, 967123, 1934246, 3868492, 4835615, 7736984, 9671230, 19342460, 38684920]

約数ペア:

[(1, 38684920), (2, 19342460), (4, 9671230), (5, 7736984), (8, 4835615), (10, 3868492), (20, 1934246), (40, 967123), (193, 200440), (386, 100220), (772, 50110), (965, 40088), (1544, 25055), (1930, 20044), (3860, 10022), (5011, 7720)]