494155280

素因数分解:

$2^4\times 5^1\times {\mathrm{6176941}}^1$

素因数の和:6176954

約数の個数: 20

約数和(自身を含む): 1148911212

約数和(自身を除く): 654755932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6176941, 12353882, 24707764, 30884705, 49415528, 61769410, 98831056, 123538820, 247077640, 494155280]

約数ペア:

[(1, 494155280), (2, 247077640), (4, 123538820), (5, 98831056), (8, 61769410), (10, 49415528), (16, 30884705), (20, 24707764), (40, 12353882), (80, 6176941)]