13806280

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{631}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 31170240

約数和(自身を除く): 17363960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 631, 1094, 1262, 2188, 2524, 2735, 3155, 4376, 5048, 5470, 6310, 10940, 12620, 21880, 25240, 345157, 690314, 1380628, 1725785, 2761256, 3451570, 6903140, 13806280]

約数ペア:

[(1, 13806280), (2, 6903140), (4, 3451570), (5, 2761256), (8, 1725785), (10, 1380628), (20, 690314), (40, 345157), (547, 25240), (631, 21880), (1094, 12620), (1262, 10940), (2188, 6310), (2524, 5470), (2735, 5048), (3155, 4376)]