71252560

素因数分解:

$2^4\times 5^1\times {\mathrm{890657}}^1$

素因数の和:890670

約数の個数: 20

約数和(自身を含む): 165662388

約数和(自身を除く): 94409828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 890657, 1781314, 3562628, 4453285, 7125256, 8906570, 14250512, 17813140, 35626280, 71252560]

約数ペア:

[(1, 71252560), (2, 35626280), (4, 17813140), (5, 14250512), (8, 8906570), (10, 7125256), (16, 4453285), (20, 3562628), (40, 1781314), (80, 890657)]