9005020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5059}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 19126800

約数和(自身を除く): 10121780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5059, 10118, 20236, 25295, 50590, 101180, 450251, 900502, 1801004, 2251255, 4502510, 9005020]

約数ペア:

[(1, 9005020), (2, 4502510), (4, 2251255), (5, 1801004), (10, 900502), (20, 450251), (89, 101180), (178, 50590), (356, 25295), (445, 20236), (890, 10118), (1780, 5059)]