51528880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49547}}^1$

素因数の和:49573

約数の個数: 40

約数和(自身を含む): 129022992

約数和(自身を除く): 77494112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49547, 99094, 198188, 247735, 396376, 495470, 644111, 792752, 990940, 1288222, 1981880, 2576444, 3220555, 3963760, 5152888, 6441110, 10305776, 12882220, 25764440, 51528880]

約数ペア:

[(1, 51528880), (2, 25764440), (4, 12882220), (5, 10305776), (8, 6441110), (10, 5152888), (13, 3963760), (16, 3220555), (20, 2576444), (26, 1981880), (40, 1288222), (52, 990940), (65, 792752), (80, 644111), (104, 495470), (130, 396376), (208, 247735), (260, 198188), (520, 99094), (1040, 49547)]