2086360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 4807440

約数和(自身を除く): 2721080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1213, 1720, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 52159, 104318, 208636, 260795, 417272, 521590, 1043180, 2086360]

約数ペア:

[(1, 2086360), (2, 1043180), (4, 521590), (5, 417272), (8, 260795), (10, 208636), (20, 104318), (40, 52159), (43, 48520), (86, 24260), (172, 12130), (215, 9704), (344, 6065), (430, 4852), (860, 2426), (1213, 1720)]