51492520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5009}}^1$

素因数の和:5277

約数の個数: 32

約数和(自身を含む): 116332200

約数和(自身を除く): 64839680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5009, 5140, 10018, 10280, 20036, 25045, 40072, 50090, 100180, 200360, 1287313, 2574626, 5149252, 6436565, 10298504, 12873130, 25746260, 51492520]

約数ペア:

[(1, 51492520), (2, 25746260), (4, 12873130), (5, 10298504), (8, 6436565), (10, 5149252), (20, 2574626), (40, 1287313), (257, 200360), (514, 100180), (1028, 50090), (1285, 40072), (2056, 25045), (2570, 20036), (5009, 10280), (5140, 10018)]