28693780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8293}}^1$

素因数の和:8475

約数の個数: 24

約数和(自身を含む): 60612552

約数和(自身を除く): 31918772

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 8293, 16586, 33172, 41465, 82930, 165860, 1434689, 2869378, 5738756, 7173445, 14346890, 28693780]

約数ペア:

[(1, 28693780), (2, 14346890), (4, 7173445), (5, 5738756), (10, 2869378), (20, 1434689), (173, 165860), (346, 82930), (692, 41465), (865, 33172), (1730, 16586), (3460, 8293)]