80452760

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{3677}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 181398960

約数和(自身を除く): 100946200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 3677, 4376, 5470, 7354, 10940, 14708, 18385, 21880, 29416, 36770, 73540, 147080, 2011319, 4022638, 8045276, 10056595, 16090552, 20113190, 40226380, 80452760]

約数ペア:

[(1, 80452760), (2, 40226380), (4, 20113190), (5, 16090552), (8, 10056595), (10, 8045276), (20, 4022638), (40, 2011319), (547, 147080), (1094, 73540), (2188, 36770), (2735, 29416), (3677, 21880), (4376, 18385), (5470, 14708), (7354, 10940)]