10915220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1361}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 22996008

約数和(自身を除く): 12080788

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1361, 1604, 2005, 2722, 4010, 5444, 6805, 8020, 13610, 27220, 545761, 1091522, 2183044, 2728805, 5457610, 10915220]

約数ペア:

[(1, 10915220), (2, 5457610), (4, 2728805), (5, 2183044), (10, 1091522), (20, 545761), (401, 27220), (802, 13610), (1361, 8020), (1604, 6805), (2005, 5444), (2722, 4010)]