13556440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1493}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 30656880

約数和(自身を除く): 17100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1493, 1816, 2270, 2986, 4540, 5972, 7465, 9080, 11944, 14930, 29860, 59720, 338911, 677822, 1355644, 1694555, 2711288, 3389110, 6778220, 13556440]

約数ペア:

[(1, 13556440), (2, 6778220), (4, 3389110), (5, 2711288), (8, 1694555), (10, 1355644), (20, 677822), (40, 338911), (227, 59720), (454, 29860), (908, 14930), (1135, 11944), (1493, 9080), (1816, 7465), (2270, 5972), (2986, 4540)]