206516260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{78823}}^1$

素因数の和:78963

約数の個数: 24

約数和(自身を含む): 437000256

約数和(自身を除く): 230483996

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 78823, 157646, 315292, 394115, 788230, 1576460, 10325813, 20651626, 41303252, 51629065, 103258130, 206516260]

約数ペア:

[(1, 206516260), (2, 103258130), (4, 51629065), (5, 41303252), (10, 20651626), (20, 10325813), (131, 1576460), (262, 788230), (524, 394115), (655, 315292), (1310, 157646), (2620, 78823)]