208520680

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{29123}}^1$

素因数の和:29313

約数の個数: 32

約数和(自身を含む): 471808800

約数和(自身を除く): 263288120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 29123, 58246, 116492, 145615, 232984, 291230, 582460, 1164920, 5213017, 10426034, 20852068, 26065085, 41704136, 52130170, 104260340, 208520680]

約数ペア:

[(1, 208520680), (2, 104260340), (4, 52130170), (5, 41704136), (8, 26065085), (10, 20852068), (20, 10426034), (40, 5213017), (179, 1164920), (358, 582460), (716, 291230), (895, 232984), (1432, 145615), (1790, 116492), (3580, 58246), (7160, 29123)]