129612040

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19403}}^1$

素因数の和:19581

約数の個数: 32

約数和(自身を含む): 293388480

約数和(自身を除く): 163776440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 19403, 38806, 77612, 97015, 155224, 194030, 388060, 776120, 3240301, 6480602, 12961204, 16201505, 25922408, 32403010, 64806020, 129612040]

約数ペア:

[(1, 129612040), (2, 64806020), (4, 32403010), (5, 25922408), (8, 16201505), (10, 12961204), (20, 6480602), (40, 3240301), (167, 776120), (334, 388060), (668, 194030), (835, 155224), (1336, 97015), (1670, 77612), (3340, 38806), (6680, 19403)]