159968560

素因数分解:

$2^4\times 5^1\times {\mathrm{1999607}}^1$

素因数の和:1999620

約数の個数: 20

約数和(自身を含む): 371927088

約数和(自身を除く): 211958528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1999607, 3999214, 7998428, 9998035, 15996856, 19996070, 31993712, 39992140, 79984280, 159968560]

約数ペア:

[(1, 159968560), (2, 79984280), (4, 39992140), (5, 31993712), (8, 19996070), (10, 15996856), (16, 9998035), (20, 7998428), (40, 3999214), (80, 1999607)]