518656580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1994833}}^1$

素因数の和:1994855

約数の個数: 24

約数和(自身を含む): 1172962392

約数和(自身を除く): 654305812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1994833, 3989666, 7979332, 9974165, 19948330, 25932829, 39896660, 51865658, 103731316, 129664145, 259328290, 518656580]

約数ペア:

[(1, 518656580), (2, 259328290), (4, 129664145), (5, 103731316), (10, 51865658), (13, 39896660), (20, 25932829), (26, 19948330), (52, 9974165), (65, 7979332), (130, 3989666), (260, 1994833)]