196804880

素因数分解:

$2^4\times 5^1\times {\mathrm{2460061}}^1$

素因数の和:2460074

約数の個数: 20

約数和(自身を含む): 457571532

約数和(自身を除く): 260766652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2460061, 4920122, 9840244, 12300305, 19680488, 24600610, 39360976, 49201220, 98402440, 196804880]

約数ペア:

[(1, 196804880), (2, 98402440), (4, 49201220), (5, 39360976), (8, 24600610), (10, 19680488), (16, 12300305), (20, 9840244), (40, 4920122), (80, 2460061)]