61121080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10993}}^1$

素因数の和:11143

約数の個数: 32

約数和(自身を含む): 138524400

約数和(自身を除く): 77403320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 1528027, 3056054, 6112108, 7640135, 12224216, 15280270, 30560540, 61121080]

約数ペア:

[(1, 61121080), (2, 30560540), (4, 15280270), (5, 12224216), (8, 7640135), (10, 6112108), (20, 3056054), (40, 1528027), (139, 439720), (278, 219860), (556, 109930), (695, 87944), (1112, 54965), (1390, 43972), (2780, 21986), (5560, 10993)]