225528020

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{15259}}^1$

素因数の和:16007

約数の個数: 24

約数和(自身を含む): 474280800

約数和(自身を除く): 248752780

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 7390, 14780, 15259, 30518, 61036, 76295, 152590, 305180, 11276401, 22552802, 45105604, 56382005, 112764010, 225528020]

約数ペア:

[(1, 225528020), (2, 112764010), (4, 56382005), (5, 45105604), (10, 22552802), (20, 11276401), (739, 305180), (1478, 152590), (2956, 76295), (3695, 61036), (7390, 30518), (14780, 15259)]