208161560

素因数分解:

$2^3\times 5^1\times {\mathrm{5204039}}^1$

素因数の和:5204050

約数の個数: 16

約数和(自身を含む): 468363600

約数和(自身を除く): 260202040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5204039, 10408078, 20816156, 26020195, 41632312, 52040390, 104080780, 208161560]

約数ペア:

[(1, 208161560), (2, 104080780), (4, 52040390), (5, 41632312), (8, 26020195), (10, 20816156), (20, 10408078), (40, 5204039)]