9913480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1783}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 22478400

約数和(自身を除く): 12564920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1783, 2780, 3566, 5560, 7132, 8915, 14264, 17830, 35660, 71320, 247837, 495674, 991348, 1239185, 1982696, 2478370, 4956740, 9913480]

約数ペア:

[(1, 9913480), (2, 4956740), (4, 2478370), (5, 1982696), (8, 1239185), (10, 991348), (20, 495674), (40, 247837), (139, 71320), (278, 35660), (556, 17830), (695, 14264), (1112, 8915), (1390, 7132), (1783, 5560), (2780, 3566)]