7928380

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 16711632

約数和(自身を除く): 8783252

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1123, 1412, 1765, 2246, 3530, 4492, 5615, 7060, 11230, 22460, 396419, 792838, 1585676, 1982095, 3964190, 7928380]

約数ペア:

[(1, 7928380), (2, 3964190), (4, 1982095), (5, 1585676), (10, 792838), (20, 396419), (353, 22460), (706, 11230), (1123, 7060), (1412, 5615), (1765, 4492), (2246, 3530)]