142332440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8963}}^1$

素因数の和:9371

約数の個数: 32

約数和(自身を含む): 321090480

約数和(自身を除く): 178758040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8963, 15880, 17926, 35852, 44815, 71704, 89630, 179260, 358520, 3558311, 7116622, 14233244, 17791555, 28466488, 35583110, 71166220, 142332440]

約数ペア:

[(1, 142332440), (2, 71166220), (4, 35583110), (5, 28466488), (8, 17791555), (10, 14233244), (20, 7116622), (40, 3558311), (397, 358520), (794, 179260), (1588, 89630), (1985, 71704), (3176, 44815), (3970, 35852), (7940, 17926), (8963, 15880)]