16487920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4793}}^1$

素因数の和:4849

約数の個数: 40

約数和(自身を含む): 39234096

約数和(自身を除く): 22746176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4793, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 191720, 206099, 383440, 412198, 824396, 1030495, 1648792, 2060990, 3297584, 4121980, 8243960, 16487920]

約数ペア:

[(1, 16487920), (2, 8243960), (4, 4121980), (5, 3297584), (8, 2060990), (10, 1648792), (16, 1030495), (20, 824396), (40, 412198), (43, 383440), (80, 206099), (86, 191720), (172, 95860), (215, 76688), (344, 47930), (430, 38344), (688, 23965), (860, 19172), (1720, 9586), (3440, 4793)]