26280080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4903}}^1$

素因数の和:4983

約数の個数: 40

約数和(自身を含む): 62025792

約数和(自身を除く): 35745712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4903, 5360, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 196120, 328501, 392240, 657002, 1314004, 1642505, 2628008, 3285010, 5256016, 6570020, 13140040, 26280080]

約数ペア:

[(1, 26280080), (2, 13140040), (4, 6570020), (5, 5256016), (8, 3285010), (10, 2628008), (16, 1642505), (20, 1314004), (40, 657002), (67, 392240), (80, 328501), (134, 196120), (268, 98060), (335, 78448), (536, 49030), (670, 39224), (1072, 24515), (1340, 19612), (2680, 9806), (4903, 5360)]