13902860

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1787}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 29287440

約数和(自身を除く): 15384580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1787, 1945, 3574, 3890, 7148, 7780, 8935, 17870, 35740, 695143, 1390286, 2780572, 3475715, 6951430, 13902860]

約数ペア:

[(1, 13902860), (2, 6951430), (4, 3475715), (5, 2780572), (10, 1390286), (20, 695143), (389, 35740), (778, 17870), (1556, 8935), (1787, 7780), (1945, 7148), (3574, 3890)]