51508520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{183959}}^1$

素因数の和:183977

約数の個数: 32

約数和(自身を含む): 132451200

約数和(自身を除く): 80942680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 183959, 367918, 735836, 919795, 1287713, 1471672, 1839590, 2575426, 3679180, 5150852, 6438565, 7358360, 10301704, 12877130, 25754260, 51508520]

約数ペア:

[(1, 51508520), (2, 25754260), (4, 12877130), (5, 10301704), (7, 7358360), (8, 6438565), (10, 5150852), (14, 3679180), (20, 2575426), (28, 1839590), (35, 1471672), (40, 1287713), (56, 919795), (70, 735836), (140, 367918), (280, 183959)]