5200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1$

素因数の和:31

約数の個数: 30

約数和(自身を含む): 13454

約数和(自身を除く): 8254

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200]

約数ペア:

[(1, 5200), (2, 2600), (4, 1300), (5, 1040), (8, 650), (10, 520), (13, 400), (16, 325), (20, 260), (25, 208), (26, 200), (40, 130), (50, 104), (52, 100), (65, 80)]