13391260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4817}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 28329840

約数和(自身を除く): 14938580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4817, 9634, 19268, 24085, 48170, 96340, 669563, 1339126, 2678252, 3347815, 6695630, 13391260]

約数ペア:

[(1, 13391260), (2, 6695630), (4, 3347815), (5, 2678252), (10, 1339126), (20, 669563), (139, 96340), (278, 48170), (556, 24085), (695, 19268), (1390, 9634), (2780, 4817)]