138867860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{53003}}^1$

素因数の和:53143

約数の個数: 24

約数和(自身を含む): 293854176

約数和(自身を除く): 154986316

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 53003, 106006, 212012, 265015, 530030, 1060060, 6943393, 13886786, 27773572, 34716965, 69433930, 138867860]

約数ペア:

[(1, 138867860), (2, 69433930), (4, 34716965), (5, 27773572), (10, 13886786), (20, 6943393), (131, 1060060), (262, 530030), (524, 265015), (655, 212012), (1310, 106006), (2620, 53003)]