15440140

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1427}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 32506992

約数和(自身を除く): 17066852

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1427, 2164, 2705, 2854, 5410, 5708, 7135, 10820, 14270, 28540, 772007, 1544014, 3088028, 3860035, 7720070, 15440140]

約数ペア:

[(1, 15440140), (2, 7720070), (4, 3860035), (5, 3088028), (10, 1544014), (20, 772007), (541, 28540), (1082, 14270), (1427, 10820), (2164, 7135), (2705, 5708), (2854, 5410)]