1644040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 3862080

約数和(自身を除く): 2218040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1787, 3574, 7148, 8935, 14296, 17870, 35740, 41101, 71480, 82202, 164404, 205505, 328808, 411010, 822020, 1644040]

約数ペア:

[(1, 1644040), (2, 822020), (4, 411010), (5, 328808), (8, 205505), (10, 164404), (20, 82202), (23, 71480), (40, 41101), (46, 35740), (92, 17870), (115, 14296), (184, 8935), (230, 7148), (460, 3574), (920, 1787)]