205142990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1578023}}^1$

素因数の和:1578043

約数の個数: 16

約数和(自身を含む): 397662048

約数和(自身を除く): 192519058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1578023, 3156046, 7890115, 15780230, 20514299, 41028598, 102571495, 205142990]

約数ペア:

[(1, 205142990), (2, 102571495), (5, 41028598), (10, 20514299), (13, 15780230), (26, 7890115), (65, 3156046), (130, 1578023)]