8190775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 10655568

約数和(自身を除く): 2464793

約数列:

[1, 5, 25, 41, 61, 131, 205, 305, 655, 1025, 1525, 2501, 3275, 5371, 7991, 12505, 26855, 39955, 62525, 134275, 199775, 327631, 1638155, 8190775]

約数ペア:

[(1, 8190775), (5, 1638155), (25, 327631), (41, 199775), (61, 134275), (131, 62525), (205, 39955), (305, 26855), (655, 12505), (1025, 7991), (1525, 5371), (2501, 3275)]