68666260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264101}}^1$

素因数の和:264123

約数の個数: 24

約数和(自身を含む): 155291976

約数和(自身を除く): 86625716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264101, 528202, 1056404, 1320505, 2641010, 3433313, 5282020, 6866626, 13733252, 17166565, 34333130, 68666260]

約数ペア:

[(1, 68666260), (2, 34333130), (4, 17166565), (5, 13733252), (10, 6866626), (13, 5282020), (20, 3433313), (26, 2641010), (52, 1320505), (65, 1056404), (130, 528202), (260, 264101)]