51541360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49559}}^1$

素因数の和:49585

約数の個数: 40

約数和(自身を含む): 129054240

約数和(自身を除く): 77512880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49559, 99118, 198236, 247795, 396472, 495590, 644267, 792944, 991180, 1288534, 1982360, 2577068, 3221335, 3964720, 5154136, 6442670, 10308272, 12885340, 25770680, 51541360]

約数ペア:

[(1, 51541360), (2, 25770680), (4, 12885340), (5, 10308272), (8, 6442670), (10, 5154136), (13, 3964720), (16, 3221335), (20, 2577068), (26, 1982360), (40, 1288534), (52, 991180), (65, 792944), (80, 644267), (104, 495590), (130, 396472), (208, 247795), (260, 198236), (520, 99118), (1040, 49559)]