23279440

素因数分解:

$2^4\times 5^1\times {\mathrm{290993}}^1$

素因数の和:291006

約数の個数: 20

約数和(自身を含む): 54124884

約数和(自身を除く): 30845444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290993, 581986, 1163972, 1454965, 2327944, 2909930, 4655888, 5819860, 11639720, 23279440]

約数ペア:

[(1, 23279440), (2, 11639720), (4, 5819860), (5, 4655888), (8, 2909930), (10, 2327944), (16, 1454965), (20, 1163972), (40, 581986), (80, 290993)]