85116040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23909}}^1$

素因数の和:24009

約数の個数: 32

約数和(自身を含む): 193671000

約数和(自身を除く): 108554960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23909, 47818, 95636, 119545, 191272, 239090, 478180, 956360, 2127901, 4255802, 8511604, 10639505, 17023208, 21279010, 42558020, 85116040]

約数ペア:

[(1, 85116040), (2, 42558020), (4, 21279010), (5, 17023208), (8, 10639505), (10, 8511604), (20, 4255802), (40, 2127901), (89, 956360), (178, 478180), (356, 239090), (445, 191272), (712, 119545), (890, 95636), (1780, 47818), (3560, 23909)]