80804260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 174363840

約数和(自身を除く): 93559580

約数列:

[1, 2, 4, 5, 10, 20, 61, 107, 122, 214, 244, 305, 428, 535, 610, 619, 1070, 1220, 1238, 2140, 2476, 3095, 6190, 6527, 12380, 13054, 26108, 32635, 37759, 65270, 66233, 75518, 130540, 132466, 151036, 188795, 264932, 331165, 377590, 662330, 755180, 1324660, 4040213, 8080426, 16160852, 20201065, 40402130, 80804260]

約数ペア:

[(1, 80804260), (2, 40402130), (4, 20201065), (5, 16160852), (10, 8080426), (20, 4040213), (61, 1324660), (107, 755180), (122, 662330), (214, 377590), (244, 331165), (305, 264932), (428, 188795), (535, 151036), (610, 132466), (619, 130540), (1070, 75518), (1220, 66233), (1238, 65270), (2140, 37759), (2476, 32635), (3095, 26108), (6190, 13054), (6527, 12380)]