30018440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5399}}^1$

素因数の和:5549

約数の個数: 32

約数和(自身を含む): 68040000

約数和(自身を除く): 38021560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5399, 5560, 10798, 21596, 26995, 43192, 53990, 107980, 215960, 750461, 1500922, 3001844, 3752305, 6003688, 7504610, 15009220, 30018440]

約数ペア:

[(1, 30018440), (2, 15009220), (4, 7504610), (5, 6003688), (8, 3752305), (10, 3001844), (20, 1500922), (40, 750461), (139, 215960), (278, 107980), (556, 53990), (695, 43192), (1112, 26995), (1390, 21596), (2780, 10798), (5399, 5560)]