13720940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5237}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 29039472

約数和(自身を除く): 15318532

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 5237, 10474, 20948, 26185, 52370, 104740, 686047, 1372094, 2744188, 3430235, 6860470, 13720940]

約数ペア:

[(1, 13720940), (2, 6860470), (4, 3430235), (5, 2744188), (10, 1372094), (20, 686047), (131, 104740), (262, 52370), (524, 26185), (655, 20948), (1310, 10474), (2620, 5237)]