80804980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{175663}}^1$

素因数の和:175695

約数の個数: 24

約数和(自身を含む): 177069312

約数和(自身を除く): 96264332

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 175663, 351326, 702652, 878315, 1756630, 3513260, 4040249, 8080498, 16160996, 20201245, 40402490, 80804980]

約数ペア:

[(1, 80804980), (2, 40402490), (4, 20201245), (5, 16160996), (10, 8080498), (20, 4040249), (23, 3513260), (46, 1756630), (92, 878315), (115, 702652), (230, 351326), (460, 175663)]