16448920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2153}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 37221120

約数和(自身を除く): 20772200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2153, 3820, 4306, 7640, 8612, 10765, 17224, 21530, 43060, 86120, 411223, 822446, 1644892, 2056115, 3289784, 4112230, 8224460, 16448920]

約数ペア:

[(1, 16448920), (2, 8224460), (4, 4112230), (5, 3289784), (8, 2056115), (10, 1644892), (20, 822446), (40, 411223), (191, 86120), (382, 43060), (764, 21530), (955, 17224), (1528, 10765), (1910, 8612), (2153, 7640), (3820, 4306)]