2877220

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 6076224

約数和(自身を除く): 3199004

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 547, 1052, 1094, 1315, 2188, 2630, 2735, 5260, 5470, 10940, 143861, 287722, 575444, 719305, 1438610, 2877220]

約数ペア:

[(1, 2877220), (2, 1438610), (4, 719305), (5, 575444), (10, 287722), (20, 143861), (263, 10940), (526, 5470), (547, 5260), (1052, 2735), (1094, 2630), (1315, 2188)]