189680

素因数分解:

$2^4\times 5^1\times {\mathrm{2371}}^1$

素因数の和:2384

約数の個数: 20

約数和(自身を含む): 441192

約数和(自身を除く): 251512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2371, 4742, 9484, 11855, 18968, 23710, 37936, 47420, 94840, 189680]

約数ペア:

[(1, 189680), (2, 94840), (4, 47420), (5, 37936), (8, 23710), (10, 18968), (16, 11855), (20, 9484), (40, 4742), (80, 2371)]