8301080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 18824400

約数和(自身を除く): 10523320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1493, 2780, 2986, 5560, 5972, 7465, 11944, 14930, 29860, 59720, 207527, 415054, 830108, 1037635, 1660216, 2075270, 4150540, 8301080]

約数ペア:

[(1, 8301080), (2, 4150540), (4, 2075270), (5, 1660216), (8, 1037635), (10, 830108), (20, 415054), (40, 207527), (139, 59720), (278, 29860), (556, 14930), (695, 11944), (1112, 7465), (1390, 5972), (1493, 5560), (2780, 2986)]