155500820

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{6079}}^1$

素因数の和:7367

約数の個数: 24

約数和(自身を含む): 326860800

約数和(自身を除く): 171359980

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6079, 6395, 12158, 12790, 24316, 25580, 30395, 60790, 121580, 7775041, 15550082, 31100164, 38875205, 77750410, 155500820]

約数ペア:

[(1, 155500820), (2, 77750410), (4, 38875205), (5, 31100164), (10, 15550082), (20, 7775041), (1279, 121580), (2558, 60790), (5116, 30395), (6079, 25580), (6395, 24316), (12158, 12790)]