25641110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21191}}^1$

素因数の和:21220

約数の個数: 24

約数和(自身を含む): 50733648

約数和(自身を除く): 25092538

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 21191, 42382, 105955, 211910, 233101, 466202, 1165505, 2331010, 2564111, 5128222, 12820555, 25641110]

約数ペア:

[(1, 25641110), (2, 12820555), (5, 5128222), (10, 2564111), (11, 2331010), (22, 1165505), (55, 466202), (110, 233101), (121, 211910), (242, 105955), (605, 42382), (1210, 21191)]