2688495020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{4877}}^1$

素因数の和:5570

約数の個数: 48

約数和(自身を含む): 5787337248

約数和(自身を除く): 3098842228

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 641, 860, 1282, 2564, 3205, 4877, 6410, 9754, 12820, 19508, 24385, 27563, 48770, 55126, 97540, 110252, 137815, 209711, 275630, 419422, 551260, 838844, 1048555, 2097110, 3126157, 4194220, 6252314, 12504628, 15630785, 31261570, 62523140, 134424751, 268849502, 537699004, 672123755, 1344247510, 2688495020]

約数ペア:

[(1, 2688495020), (2, 1344247510), (4, 672123755), (5, 537699004), (10, 268849502), (20, 134424751), (43, 62523140), (86, 31261570), (172, 15630785), (215, 12504628), (430, 6252314), (641, 4194220), (860, 3126157), (1282, 2097110), (2564, 1048555), (3205, 838844), (4877, 551260), (6410, 419422), (9754, 275630), (12820, 209711), (19508, 137815), (24385, 110252), (27563, 97540), (48770, 55126)]