201921880

素因数分解:

$2^3\times 5^1\times {\mathrm{5048047}}^1$

素因数の和:5048058

約数の個数: 16

約数和(自身を含む): 454324320

約数和(自身を除く): 252402440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5048047, 10096094, 20192188, 25240235, 40384376, 50480470, 100960940, 201921880]

約数ペア:

[(1, 201921880), (2, 100960940), (4, 50480470), (5, 40384376), (8, 25240235), (10, 20192188), (20, 10096094), (40, 5048047)]