9812980

素因数分解:

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

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 20674080

約数和(自身を除く): 10861100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1171, 1676, 2095, 2342, 4190, 4684, 5855, 8380, 11710, 23420, 490649, 981298, 1962596, 2453245, 4906490, 9812980]

約数ペア:

[(1, 9812980), (2, 4906490), (4, 2453245), (5, 1962596), (10, 981298), (20, 490649), (419, 23420), (838, 11710), (1171, 8380), (1676, 5855), (2095, 4684), (2342, 4190)]