80215885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 23567795

約数列:

[1, 5, 29, 41, 103, 131, 145, 205, 515, 655, 1189, 2987, 3799, 4223, 5371, 5945, 13493, 14935, 18995, 21115, 26855, 67465, 122467, 155759, 391297, 553213, 612335, 778795, 1956485, 2766065, 16043177, 80215885]

約数ペア:

[(1, 80215885), (5, 16043177), (29, 2766065), (41, 1956485), (103, 778795), (131, 612335), (145, 553213), (205, 391297), (515, 155759), (655, 122467), (1189, 67465), (2987, 26855), (3799, 21115), (4223, 18995), (5371, 14935), (5945, 13493)]