80048140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{11087}}^1$

素因数の和:11134

約数の個数: 36

約数和(自身を含む): 177430176

約数和(自身を除く): 97382036

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 11087, 22174, 44348, 55435, 110870, 210653, 221740, 421306, 842612, 1053265, 2106530, 4002407, 4213060, 8004814, 16009628, 20012035, 40024070, 80048140]

約数ペア:

[(1, 80048140), (2, 40024070), (4, 20012035), (5, 16009628), (10, 8004814), (19, 4213060), (20, 4002407), (38, 2106530), (76, 1053265), (95, 842612), (190, 421306), (361, 221740), (380, 210653), (722, 110870), (1444, 55435), (1805, 44348), (3610, 22174), (7220, 11087)]