650669680

素因数分解:

$2^4\times 5^1\times {\mathrm{8133371}}^1$

素因数の和:8133384

約数の個数: 20

約数和(自身を含む): 1512807192

約数和(自身を除く): 862137512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8133371, 16266742, 32533484, 40666855, 65066968, 81333710, 130133936, 162667420, 325334840, 650669680]

約数ペア:

[(1, 650669680), (2, 325334840), (4, 162667420), (5, 130133936), (8, 81333710), (10, 65066968), (16, 40666855), (20, 32533484), (40, 16266742), (80, 8133371)]