129642790

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{30941}}^1$

素因数の和:31367

約数の個数: 16

約数和(自身を含む): 233921520

約数和(自身を除く): 104278730

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 30941, 61882, 154705, 309410, 12964279, 25928558, 64821395, 129642790]

約数ペア:

[(1, 129642790), (2, 64821395), (5, 25928558), (10, 12964279), (419, 309410), (838, 154705), (2095, 61882), (4190, 30941)]