1248291280

素因数分解:

$2^4\times 5^1\times {\mathrm{15603641}}^1$

素因数の和:15603654

約数の個数: 20

約数和(自身を含む): 2902277412

約数和(自身を除く): 1653986132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15603641, 31207282, 62414564, 78018205, 124829128, 156036410, 249658256, 312072820, 624145640, 1248291280]

約数ペア:

[(1, 1248291280), (2, 624145640), (4, 312072820), (5, 249658256), (8, 156036410), (10, 124829128), (16, 78018205), (20, 62414564), (40, 31207282), (80, 15603641)]