28785492020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5472527}}^1$

素因数の和:5472799

約数の個数: 24

約数和(自身を含む): 60679390464

約数和(自身を除く): 31893898444

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5472527, 10945054, 21890108, 27362635, 54725270, 109450540, 1439274601, 2878549202, 5757098404, 7196373005, 14392746010, 28785492020]

約数ペア:

[(1, 28785492020), (2, 14392746010), (4, 7196373005), (5, 5757098404), (10, 2878549202), (20, 1439274601), (263, 109450540), (526, 54725270), (1052, 27362635), (1315, 21890108), (2630, 10945054), (5260, 5472527)]