315026480

素因数分解:

$2^4\times 5^1\times {\mathrm{3937831}}^1$

素因数の和:3937844

約数の個数: 20

約数和(自身を含む): 732436752

約数和(自身を除く): 417410272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3937831, 7875662, 15751324, 19689155, 31502648, 39378310, 63005296, 78756620, 157513240, 315026480]

約数ペア:

[(1, 315026480), (2, 157513240), (4, 78756620), (5, 63005296), (8, 39378310), (10, 31502648), (16, 19689155), (20, 15751324), (40, 7875662), (80, 3937831)]