2087180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 4441920

約数和(自身を除く): 2354740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1321, 1580, 2642, 5284, 6605, 13210, 26420, 104359, 208718, 417436, 521795, 1043590, 2087180]

約数ペア:

[(1, 2087180), (2, 1043590), (4, 521795), (5, 417436), (10, 208718), (20, 104359), (79, 26420), (158, 13210), (316, 6605), (395, 5284), (790, 2642), (1321, 1580)]