5245040

素因数分解:

$2^4\times 5^1\times {\mathrm{65563}}^1$

素因数の和:65576

約数の個数: 20

約数和(自身を含む): 12194904

約数和(自身を除く): 6949864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65563, 131126, 262252, 327815, 524504, 655630, 1049008, 1311260, 2622520, 5245040]

約数ペア:

[(1, 5245040), (2, 2622520), (4, 1311260), (5, 1049008), (8, 655630), (10, 524504), (16, 327815), (20, 262252), (40, 131126), (80, 65563)]