1277360080

素因数分解:

$2^4\times 5^1\times {\mathrm{15967001}}^1$

素因数の和:15967014

約数の個数: 20

約数和(自身を含む): 2969862372

約数和(自身を除く): 1692502292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15967001, 31934002, 63868004, 79835005, 127736008, 159670010, 255472016, 319340020, 638680040, 1277360080]

約数ペア:

[(1, 1277360080), (2, 638680040), (4, 319340020), (5, 255472016), (8, 159670010), (10, 127736008), (16, 79835005), (20, 63868004), (40, 31934002), (80, 15967001)]