1980021290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15230933}}^1$

素因数の和:15230953

約数の個数: 16

約数和(自身を含む): 3838195368

約数和(自身を除く): 1858174078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15230933, 30461866, 76154665, 152309330, 198002129, 396004258, 990010645, 1980021290]

約数ペア:

[(1, 1980021290), (2, 990010645), (5, 396004258), (10, 198002129), (13, 152309330), (26, 76154665), (65, 30461866), (130, 15230933)]