71162440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12799}}^1$

素因数の和:12949

約数の個数: 32

約数和(自身を含む): 161280000

約数和(自身を除く): 90117560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12799, 25598, 51196, 63995, 102392, 127990, 255980, 511960, 1779061, 3558122, 7116244, 8895305, 14232488, 17790610, 35581220, 71162440]

約数ペア:

[(1, 71162440), (2, 35581220), (4, 17790610), (5, 14232488), (8, 8895305), (10, 7116244), (20, 3558122), (40, 1779061), (139, 511960), (278, 255980), (556, 127990), (695, 102392), (1112, 63995), (1390, 51196), (2780, 25598), (5560, 12799)]