127968560

素因数分解:

$2^4\times 5^1\times {\mathrm{1599607}}^1$

素因数の和:1599620

約数の個数: 20

約数和(自身を含む): 297527088

約数和(自身を除く): 169558528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1599607, 3199214, 6398428, 7998035, 12796856, 15996070, 25593712, 31992140, 63984280, 127968560]

約数ペア:

[(1, 127968560), (2, 63984280), (4, 31992140), (5, 25593712), (8, 15996070), (10, 12796856), (16, 7998035), (20, 6398428), (40, 3199214), (80, 1599607)]