25769360

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1669}}^1$

素因数の和:1875

約数の個数: 40

約数和(自身を含む): 60260280

約数和(自身を除く): 34490920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1669, 1930, 3088, 3338, 3860, 6676, 7720, 8345, 13352, 15440, 16690, 26704, 33380, 66760, 133520, 322117, 644234, 1288468, 1610585, 2576936, 3221170, 5153872, 6442340, 12884680, 25769360]

約数ペア:

[(1, 25769360), (2, 12884680), (4, 6442340), (5, 5153872), (8, 3221170), (10, 2576936), (16, 1610585), (20, 1288468), (40, 644234), (80, 322117), (193, 133520), (386, 66760), (772, 33380), (965, 26704), (1544, 16690), (1669, 15440), (1930, 13352), (3088, 8345), (3338, 7720), (3860, 6676)]