18072100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 39553024

約数和(自身を除く): 21480924

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1423, 2540, 2846, 3175, 5692, 6350, 7115, 12700, 14230, 28460, 35575, 71150, 142300, 180721, 361442, 722884, 903605, 1807210, 3614420, 4518025, 9036050, 18072100]

約数ペア:

[(1, 18072100), (2, 9036050), (4, 4518025), (5, 3614420), (10, 1807210), (20, 903605), (25, 722884), (50, 361442), (100, 180721), (127, 142300), (254, 71150), (508, 35575), (635, 28460), (1270, 14230), (1423, 12700), (2540, 7115), (2846, 6350), (3175, 5692)]