25740760

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1823}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 58112640

約数和(自身を除く): 32371880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 1823, 2824, 3530, 3646, 7060, 7292, 9115, 14120, 14584, 18230, 36460, 72920, 643519, 1287038, 2574076, 3217595, 5148152, 6435190, 12870380, 25740760]

約数ペア:

[(1, 25740760), (2, 12870380), (4, 6435190), (5, 5148152), (8, 3217595), (10, 2574076), (20, 1287038), (40, 643519), (353, 72920), (706, 36460), (1412, 18230), (1765, 14584), (1823, 14120), (2824, 9115), (3530, 7292), (3646, 7060)]