131058860

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{10223}}^1$

素因数の和:10873

約数の個数: 24

約数和(自身を含む): 275679936

約数和(自身を除く): 144621076

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 10223, 12820, 20446, 40892, 51115, 102230, 204460, 6552943, 13105886, 26211772, 32764715, 65529430, 131058860]

約数ペア:

[(1, 131058860), (2, 65529430), (4, 32764715), (5, 26211772), (10, 13105886), (20, 6552943), (641, 204460), (1282, 102230), (2564, 51115), (3205, 40892), (6410, 20446), (10223, 12820)]