81558460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{177301}}^1$

素因数の和:177333

約数の個数: 24

約数和(自身を含む): 178720416

約数和(自身を除く): 97161956

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 177301, 354602, 709204, 886505, 1773010, 3546020, 4077923, 8155846, 16311692, 20389615, 40779230, 81558460]

約数ペア:

[(1, 81558460), (2, 40779230), (4, 20389615), (5, 16311692), (10, 8155846), (20, 4077923), (23, 3546020), (46, 1773010), (92, 886505), (115, 709204), (230, 354602), (460, 177301)]