26131340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19501}}^1$

素因数の和:19577

約数の個数: 24

約数和(自身を含む): 55697712

約数和(自身を除く): 29566372

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 19501, 39002, 78004, 97505, 195010, 390020, 1306567, 2613134, 5226268, 6532835, 13065670, 26131340]

約数ペア:

[(1, 26131340), (2, 13065670), (4, 6532835), (5, 5226268), (10, 2613134), (20, 1306567), (67, 390020), (134, 195010), (268, 97505), (335, 78004), (670, 39002), (1340, 19501)]