80653904

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 159662400

約数和(自身を除く): 79008496

約数列:

[1, 2, 4, 8, 16, 73, 146, 199, 292, 347, 398, 584, 694, 796, 1168, 1388, 1592, 2776, 3184, 5552, 14527, 25331, 29054, 50662, 58108, 69053, 101324, 116216, 138106, 202648, 232432, 276212, 405296, 552424, 1104848, 5040869, 10081738, 20163476, 40326952, 80653904]

約数ペア:

[(1, 80653904), (2, 40326952), (4, 20163476), (8, 10081738), (16, 5040869), (73, 1104848), (146, 552424), (199, 405296), (292, 276212), (347, 232432), (398, 202648), (584, 138106), (694, 116216), (796, 101324), (1168, 69053), (1388, 58108), (1592, 50662), (2776, 29054), (3184, 25331), (5552, 14527)]