200019880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{94349}}^1$

素因数の和:94413

約数の個数: 32

約数和(自身を含む): 458541000

約数和(自身を除く): 258521120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 94349, 188698, 377396, 471745, 754792, 943490, 1886980, 3773960, 5000497, 10000994, 20001988, 25002485, 40003976, 50004970, 100009940, 200019880]

約数ペア:

[(1, 200019880), (2, 100009940), (4, 50004970), (5, 40003976), (8, 25002485), (10, 20001988), (20, 10000994), (40, 5000497), (53, 3773960), (106, 1886980), (212, 943490), (265, 754792), (424, 471745), (530, 377396), (1060, 188698), (2120, 94349)]