31298780

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1489}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 65834160

約数和(自身を除く): 34535380

約数列:

[1, 2, 4, 5, 10, 20, 1051, 1489, 2102, 2978, 4204, 5255, 5956, 7445, 10510, 14890, 21020, 29780, 1564939, 3129878, 6259756, 7824695, 15649390, 31298780]

約数ペア:

[(1, 31298780), (2, 15649390), (4, 7824695), (5, 6259756), (10, 3129878), (20, 1564939), (1051, 29780), (1489, 21020), (2102, 14890), (2978, 10510), (4204, 7445), (5255, 5956)]