789968560

素因数分解:

$2^4\times 5^1\times {\mathrm{9874607}}^1$

素因数の和:9874620

約数の個数: 20

約数和(自身を含む): 1836677088

約数和(自身を除く): 1046708528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9874607, 19749214, 39498428, 49373035, 78996856, 98746070, 157993712, 197492140, 394984280, 789968560]

約数ペア:

[(1, 789968560), (2, 394984280), (4, 197492140), (5, 157993712), (8, 98746070), (10, 78996856), (16, 49373035), (20, 39498428), (40, 19749214), (80, 9874607)]