80817136

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{16453}}^1$

素因数の和:16768

約数の個数: 20

約数和(自身を含む): 157102792

約数和(自身を除く): 76285656

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 16453, 32906, 65812, 131624, 263248, 5051071, 10102142, 20204284, 40408568, 80817136]

約数ペア:

[(1, 80817136), (2, 40408568), (4, 20204284), (8, 10102142), (16, 5051071), (307, 263248), (614, 131624), (1228, 65812), (2456, 32906), (4912, 16453)]