69784780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268403}}^1$

素因数の和:268425

約数の個数: 24

約数和(自身を含む): 157821552

約数和(自身を除く): 88036772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 268403, 536806, 1073612, 1342015, 2684030, 3489239, 5368060, 6978478, 13956956, 17446195, 34892390, 69784780]

約数ペア:

[(1, 69784780), (2, 34892390), (4, 17446195), (5, 13956956), (10, 6978478), (13, 5368060), (20, 3489239), (26, 2684030), (52, 1342015), (65, 1073612), (130, 536806), (260, 268403)]