82000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1$

素因数の和:64

約数の個数: 40

約数和(自身を含む): 203112

約数和(自身を除く): 121112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 820, 1000, 1025, 1640, 2000, 2050, 3280, 4100, 5125, 8200, 10250, 16400, 20500, 41000, 82000]

約数ペア:

[(1, 82000), (2, 41000), (4, 20500), (5, 16400), (8, 10250), (10, 8200), (16, 5125), (20, 4100), (25, 3280), (40, 2050), (41, 2000), (50, 1640), (80, 1025), (82, 1000), (100, 820), (125, 656), (164, 500), (200, 410), (205, 400), (250, 328)]