19625960

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 44301600

約数和(自身を除く): 24675640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1171, 1676, 2095, 2342, 3352, 4190, 4684, 5855, 8380, 9368, 11710, 16760, 23420, 46840, 490649, 981298, 1962596, 2453245, 3925192, 4906490, 9812980, 19625960]

約数ペア:

[(1, 19625960), (2, 9812980), (4, 4906490), (5, 3925192), (8, 2453245), (10, 1962596), (20, 981298), (40, 490649), (419, 46840), (838, 23420), (1171, 16760), (1676, 11710), (2095, 9368), (2342, 8380), (3352, 5855), (4190, 4684)]