13380140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4813}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 28306320

約数和(自身を除く): 14926180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4813, 9626, 19252, 24065, 48130, 96260, 669007, 1338014, 2676028, 3345035, 6690070, 13380140]

約数ペア:

[(1, 13380140), (2, 6690070), (4, 3345035), (5, 2676028), (10, 1338014), (20, 669007), (139, 96260), (278, 48130), (556, 24065), (695, 19252), (1390, 9626), (2780, 4813)]