125710220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{47981}}^1$

素因数の和:48121

約数の個数: 24

約数和(自身を含む): 266012208

約数和(自身を除く): 140301988

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 47981, 95962, 191924, 239905, 479810, 959620, 6285511, 12571022, 25142044, 31427555, 62855110, 125710220]

約数ペア:

[(1, 125710220), (2, 62855110), (4, 31427555), (5, 25142044), (10, 12571022), (20, 6285511), (131, 959620), (262, 479810), (524, 239905), (655, 191924), (1310, 95962), (2620, 47981)]