79804524920

素因数分解:

$2^3\times 5^1\times {\mathrm{1995113123}}^1$

素因数の和:1995113134

約数の個数: 16

約数和(自身を含む): 179560181160

約数和(自身を除く): 99755656240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995113123, 3990226246, 7980452492, 9975565615, 15960904984, 19951131230, 39902262460, 79804524920]

約数ペア:

[(1, 79804524920), (2, 39902262460), (4, 19951131230), (5, 15960904984), (8, 9975565615), (10, 7980452492), (20, 3990226246), (40, 1995113123)]