28247480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3659}}^1$

素因数の和:3863

約数の個数: 32

約数和(自身を含む): 63903600

約数和(自身を除く): 35656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3659, 3860, 7318, 7720, 14636, 18295, 29272, 36590, 73180, 146360, 706187, 1412374, 2824748, 3530935, 5649496, 7061870, 14123740, 28247480]

約数ペア:

[(1, 28247480), (2, 14123740), (4, 7061870), (5, 5649496), (8, 3530935), (10, 2824748), (20, 1412374), (40, 706187), (193, 146360), (386, 73180), (772, 36590), (965, 29272), (1544, 18295), (1930, 14636), (3659, 7720), (3860, 7318)]