264260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 565656

約数和(自身を除く): 301396

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 181, 292, 362, 365, 724, 730, 905, 1460, 1810, 3620, 13213, 26426, 52852, 66065, 132130, 264260]

約数ペア:

[(1, 264260), (2, 132130), (4, 66065), (5, 52852), (10, 26426), (20, 13213), (73, 3620), (146, 1810), (181, 1460), (292, 905), (362, 730), (365, 724)]