13538780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4153}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 28612752

約数和(自身を除く): 15073972

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4153, 8306, 16612, 20765, 41530, 83060, 676939, 1353878, 2707756, 3384695, 6769390, 13538780]

約数ペア:

[(1, 13538780), (2, 6769390), (4, 3384695), (5, 2707756), (10, 1353878), (20, 676939), (163, 83060), (326, 41530), (652, 20765), (815, 16612), (1630, 8306), (3260, 4153)]