80705296

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9871}}^1$

素因数の和:9959

約数の個数: 40

約数和(自身を含む): 181170944

約数和(自身を除く): 100465648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 9871, 19742, 39484, 69097, 78968, 138194, 157936, 276388, 552776, 720583, 1105552, 1441166, 2882332, 5044081, 5764664, 10088162, 11529328, 20176324, 40352648, 80705296]

約数ペア:

[(1, 80705296), (2, 40352648), (4, 20176324), (7, 11529328), (8, 10088162), (14, 5764664), (16, 5044081), (28, 2882332), (56, 1441166), (73, 1105552), (112, 720583), (146, 552776), (292, 276388), (511, 157936), (584, 138194), (1022, 78968), (1168, 69097), (2044, 39484), (4088, 19742), (8176, 9871)]