254088880

素因数分解:

$2^4\times 5^1\times {\mathrm{3176111}}^1$

素因数の和:3176124

約数の個数: 20

約数和(自身を含む): 590756832

約数和(自身を除く): 336667952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3176111, 6352222, 12704444, 15880555, 25408888, 31761110, 50817776, 63522220, 127044440, 254088880]

約数ペア:

[(1, 254088880), (2, 127044440), (4, 63522220), (5, 50817776), (8, 31761110), (10, 25408888), (16, 15880555), (20, 12704444), (40, 6352222), (80, 3176111)]