201392560

素因数分解:

$2^4\times 5^1\times {\mathrm{2517407}}^1$

素因数の和:2517420

約数の個数: 20

約数和(自身を含む): 468237888

約数和(自身を除く): 266845328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2517407, 5034814, 10069628, 12587035, 20139256, 25174070, 40278512, 50348140, 100696280, 201392560]

約数ペア:

[(1, 201392560), (2, 100696280), (4, 50348140), (5, 40278512), (8, 25174070), (10, 20139256), (16, 12587035), (20, 10069628), (40, 5034814), (80, 2517407)]