13015960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2341}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 29509200

約数和(自身を除く): 16493240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2341, 2780, 4682, 5560, 9364, 11705, 18728, 23410, 46820, 93640, 325399, 650798, 1301596, 1626995, 2603192, 3253990, 6507980, 13015960]

約数ペア:

[(1, 13015960), (2, 6507980), (4, 3253990), (5, 2603192), (8, 1626995), (10, 1301596), (20, 650798), (40, 325399), (139, 93640), (278, 46820), (556, 23410), (695, 18728), (1112, 11705), (1390, 9364), (2341, 5560), (2780, 4682)]