4505180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 9570960

約数和(自身を除く): 5065780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2531, 5062, 10124, 12655, 25310, 50620, 225259, 450518, 901036, 1126295, 2252590, 4505180]

約数ペア:

[(1, 4505180), (2, 2252590), (4, 1126295), (5, 901036), (10, 450518), (20, 225259), (89, 50620), (178, 25310), (356, 12655), (445, 10124), (890, 5062), (1780, 2531)]