10400

素因数分解:

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

素因数の和:33

約数の個数: 36

約数和(自身を含む): 27342

約数和(自身を除く): 16942

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400]

約数ペア:

[(1, 10400), (2, 5200), (4, 2600), (5, 2080), (8, 1300), (10, 1040), (13, 800), (16, 650), (20, 520), (25, 416), (26, 400), (32, 325), (40, 260), (50, 208), (52, 200), (65, 160), (80, 130), (100, 104)]