42071990

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{5471}}^1$

素因数の和:6247

約数の個数: 16

約数和(自身を含む): 75841920

約数和(自身を除く): 33769930

約数列:

[1, 2, 5, 10, 769, 1538, 3845, 5471, 7690, 10942, 27355, 54710, 4207199, 8414398, 21035995, 42071990]

約数ペア:

[(1, 42071990), (2, 21035995), (5, 8414398), (10, 4207199), (769, 54710), (1538, 27355), (3845, 10942), (5471, 7690)]