839213080

素因数分解:

$2^3\times 5^1\times {\mathrm{20980327}}^1$

素因数の和:20980338

約数の個数: 16

約数和(自身を含む): 1888229520

約数和(自身を除く): 1049016440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20980327, 41960654, 83921308, 104901635, 167842616, 209803270, 419606540, 839213080]

約数ペア:

[(1, 839213080), (2, 419606540), (4, 209803270), (5, 167842616), (8, 104901635), (10, 83921308), (20, 41960654), (40, 20980327)]