7996520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28559}}^1$

素因数の和:28577

約数の個数: 32

約数和(自身を含む): 20563200

約数和(自身を除く): 12566680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28559, 57118, 114236, 142795, 199913, 228472, 285590, 399826, 571180, 799652, 999565, 1142360, 1599304, 1999130, 3998260, 7996520]

約数ペア:

[(1, 7996520), (2, 3998260), (4, 1999130), (5, 1599304), (7, 1142360), (8, 999565), (10, 799652), (14, 571180), (20, 399826), (28, 285590), (35, 228472), (40, 199913), (56, 142795), (70, 114236), (140, 57118), (280, 28559)]